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		<title>아이폰 서비스 없음 원인 및 해결방법</title>
		<link>https://2days.kr/16/10/13/59786/aboda/</link>
		
		<dc:creator><![CDATA[urjent]]></dc:creator>
		<pubDate>Wed, 16 Oct 2024 04:43:32 +0000</pubDate>
				<category><![CDATA[Aboda]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[전기전자]]></category>
		<category><![CDATA['서비스 없음' 표시와 3G 네트워크 사용]]></category>
		<category><![CDATA[Apple 지원 웹사이트 방문]]></category>
		<category><![CDATA[계정 문제]]></category>
		<category><![CDATA[계정 확인]]></category>
		<category><![CDATA[기기 재시동]]></category>
		<category><![CDATA[네트워크 설정 재설정]]></category>
		<category><![CDATA[데이터 요금제 확인]]></category>
		<category><![CDATA[문제 설명.]]></category>
		<category><![CDATA[상태 막대에 'SOS' 또는 'SOS 전용' 표시]]></category>
		<category><![CDATA[서비스 지역 확인]]></category>
		<category><![CDATA[소프트웨어 문제]]></category>
		<category><![CDATA[신호 문제]]></category>
		<category><![CDATA[아이폰 서비스 없음 원인 및 해결방법]]></category>
		<category><![CDATA[에어플레인 모드 활용]]></category>
		<category><![CDATA[이동통신사 설정 업데이트]]></category>
		<category><![CDATA[이동통신사에 문의하기]]></category>
		<category><![CDATA[최신 iOS로 업데이트]]></category>
		<category><![CDATA[하드웨어 문제]]></category>
		<category><![CDATA[하드웨어 문제 의심 시]]></category>
		<category><![CDATA[하드웨어 점검]]></category>
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					<description><![CDATA[아이폰 서비스 없음 원인 및 해결방법 ㅣ 아이폰 또는 아이패드에서 &#8216;SOS&#8217;, &#8216;서비스 없음&#8217;, 또는 &#8216;검색 중&#8217;과 같은 메시지가 표시되는 경우, 이는 사용자에게 큰 불편을 초래할 수 있습니다. 이러한 문제는 다양한 원인으로 발생할 수 있으며, 이를 해결하기 위한 여러 방법이 있습니다. 이 글에서는 이러한 문제를 해결하기 위한 구체적인 방법과 함께, 각 단계에서 고려해야 할 사항들을 자세히 [&#8230;]]]></description>
										<content:encoded><![CDATA[<p data-ke-size="size16">아이폰 서비스 없음 원인 및 해결방법 ㅣ 아이폰 또는 아이패드에서 &#8216;SOS&#8217;, &#8216;서비스 없음&#8217;, 또는 &#8216;검색 중&#8217;과 같은 메시지가 표시되는 경우, 이는 사용자에게 큰 불편을 초래할 수 있습니다. 이러한 문제는 다양한 원인으로 발생할 수 있으며, 이를 해결하기 위한 여러 방법이 있습니다. 이 글에서는 이러한 문제를 해결하기 위한 구체적인 방법과 함께, 각 단계에서 고려해야 할 사항들을 자세히 설명하겠습니다. 📱✨</p>
<p data-ke-size="size16">먼저 하드웨어가 의심이 된다면 <b>Apple 지원 웹사이트 방문</b>: <a style="color: #000000;" href="https://support.apple.com/" target="_blank" rel="noopener">Apple 고객 지원 센터 바로가기</a>로 이동합니다. 🌐</p>
<p><a href="https://support.apple.com/" target="_blank" rel="noopener"><button class="glow-on-hover" type="button">애플지원센터바로가기</button></a></p>
<h3 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size23">1. 아이폰 서비스 없음 상태 막대에 &#8216;SOS&#8217; 또는 &#8216;SOS 전용&#8217; 표시</h3>
<figure data-ke-type="image" data-ke-mobilestyle="widthOrigin" data-ke-style="alignCenter"><img post-id="59786" fifu-featured="1" fetchpriority="high" decoding="async" src="https://blog.kakaocdn.net/dn/bjbiQV/btsJ7n4ISLB/QRrKMZIwbMqZOdJcumvQ50/img.png" alt="아이폰 서비스 없음 원인 및 해결방법" title="아이폰 서비스 없음 원인 및 해결방법" width="700" height="400" data-is-animation="false" data-origin-width="500" data-origin-height="286" data-filename="image_2_img_png.png" title="아이폰 서비스 없음 원인 및 해결방법 5"><figcaption>아이폰 서비스 없음 원인 및 해결방법</figcaption></figure><div class='code-block code-block-2' style='margin: 8px auto; text-align: center; display: block; clear: both;'>
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<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">상태 막대에 &#8216;SOS&#8217; 또는 &#8216;SOS 전용&#8217;이 표시되는 것은 기기가 현재 셀룰러 네트워크에 연결되지 않았음을 의미합니다. 이 경우 긴급 통화는 가능하지만, 일반 통신은 불가능합니다. &#8216;SOS 전용&#8217; 모드는 주로 <a href="https://2days.kr/11/01/12/71115/aboda/">미국</a>, 캐나다, 호주에서 사용되는 기능으로, 기기가 자동으로 주변 이동통신사의 긴급 라인에 연결되어 긴급 전화를 걸 수 있는 상태입니다. 그러나 일반적인 통신이 불가능하므로, 셀룰러 연결 복구가 필요합니다. 🚨</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">1.1. &#8216;SOS&#8217; 또는 &#8216;SOS 전용&#8217; 상태의 원인</h4>
<ul style="list-style-type: disc; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="disc">
<li style="color: #000000;"><b>신호 문제</b>: 주변에 이동통신 기지국이 없거나 신호가 약한 경우. 📶</li>
<li style="color: #000000;"><b>계정 문제</b>: 이동통신사에서 계정이 비활성화되었거나 요금제에 문제가 있는 경우. 💳</li>
<li style="color: #000000;"><b>소프트웨어 문제</b>: iOS의 버그나 설정 오류로 인해 발생할 수 있습니다. 🐞</li>
<li style="color: #000000;"><b>하드웨어 문제</b>: 안테나나 모뎀의 결함으로 인해 발생할 수 있습니다. 🔧</li>
</ul>
<h3 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size23">2. 셀룰러 네트워크 복구하기</h3>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">셀룰러 네트워크를 복구하기 위해 다음과 같은 방법을 시도해 볼 수 있습니다. 🔄</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">2.1. 에어플레인 모드 활용</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">에어플레인 모드를 켜고 끄는 것은 기기가 네트워크를 새로 검색하도록 돕는 간단한 방법입니다.</p>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>설정으로 이동</b>: 아이폰의 홈 화면에서 &#8216;설정&#8217; 앱을 엽니다. ⚙️</li>
<li style="color: #000000;"><b>에어플레인 모드 활성화</b>: &#8216;에어플레인 모드&#8217;를 찾아 활성화합니다. 이때 화면 상단에 비행기 아이콘이 나타납니다. ✈️</li>
<li style="color: #000000;"><b>15초 대기</b>: 에어플레인 모드를 켠 상태에서 최소 15초 동안 기다립니다. ⏳</li>
<li style="color: #000000;"><b>에어플레인 모드 비활성화</b>: 다시 &#8216;에어플레인 모드&#8217;를 비활성화합니다. 이 과정에서 기기가 새로운 네트워크를 검색하게 됩니다. 🔍</li>
</ol>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">2.2. 기기 재시동</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">기기를 재시동하는 것은 많은 문제를 해결하는 데 효과적입니다.</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">iPhone X, 11, 12, 13 및 이후 모델 재시동 방법</h4>
<figure style="color: #333333; text-align: center;" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-ke-type="image"><img decoding="async" src="https://blog.kakaocdn.net/dn/bqoJQv/btsJ6GDPnef/qF2KKUq7pr4ooNSaWEWG0K/img.png" alt="아이폰 서비스 없음 원인 및 해결방법" width="700" height="580" data-filename="image_5_img_png.png" data-origin-height="414" data-origin-width="500" data-is-animation="false" title="아이폰 서비스 없음 원인 및 해결방법 6"><figcaption style="color: #777777; text-align: center;">아이폰 서비스 없음 원인 및 해결방법</figcaption></figure>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>측면 버튼과 음량 버튼 중 하나를 길게 누르기</b>: 기기의 측면 버튼과 음량 버튼 중 하나를 동시에 길게 눌러 전원 끄기 슬라이더를 표시합니다. 🔲</li>
<li style="color: #000000;"><b>슬라이더 드래그</b>: 슬라이더가 나타나면 이를 드래그하여 기기를 끕니다. ⬅️</li>
<li style="color: #000000;"><b>강제 재시동</b>: 기기가 멈추거나 반응하지 않으면, 측면 버튼과 음량 버튼을 동시에 길게 눌러 강제로 재시동합니다. 🔄</li>
</ol>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">iPhone 8 및 이후 모델 재시동 방법</h4>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>측면 버튼을 눌러 전원 끄기</b>: 측면 버튼을 길게 눌러 전원 끄기 슬라이더를 표시합니다. 🔲</li>
<li style="color: #000000;"><b>슬라이더 드래그</b>: 슬라이더를 드래그하여 기기를 끕니다. ⬅️</li>
<li style="color: #000000;"><b>기기 재시동</b>: 기기를 다시 켜기 위해 측면 버튼을 길게 눌러 Apple 로고가 나타날 때까지 기다립니다. 🍏</li>
</ol>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">2.3. 네트워크 설정 재설정</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">네트워크 설정을 재설정하면 Wi-Fi 비밀번호, VPN 설정 등이 초기화되지만, 네트워크 문제를 해결하는 데 도움이 될 수 있습니다.</p>
<figure data-ke-type="image" data-ke-mobilestyle="widthOrigin" data-ke-style="alignCenter"><img decoding="async" src="https://blog.kakaocdn.net/dn/b6erJq/btsJ8vm9Hce/ABWBboAnEEKGCPiuQtBFMK/img.png" alt="아이폰 서비스 없음 원인 및 해결방법" data-is-animation="false" data-origin-width="500" data-origin-height="886" data-filename="image_4_img_png.png" title="아이폰 서비스 없음 원인 및 해결방법 7"><figcaption>아이폰 서비스 없음 원인 및 해결방법</figcaption></figure>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>설정으로 이동</b>: &#8216;설정&#8217; 앱을 엽니다. ⚙️</li>
<li style="color: #000000;"><b>일반 선택</b>: &#8216;일반&#8217;을 선택합니다. 📜</li>
<li style="color: #000000;"><b>재설정 선택</b>: 스크롤을 내려 &#8216;재설정&#8217;을 선택합니다. 🔄</li>
<li style="color: #000000;"><b>네트워크 설정 재설정</b>: &#8216;네트워크 설정 재설정&#8217;을 선택하고, 비밀번호를 입력하여 확인합니다. 🔑</li>
</ol>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">2.4. 이동통신사 설정 업데이트</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">이동통신사 설정을 업데이트하면 네트워크 연결 문제를 해결할 수 있습니다.</p>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>설정으로 이동</b>: &#8216;설정&#8217; 앱을 엽니다. ⚙️</li>
<li style="color: #000000;"><b>일반 선택</b>: &#8216;일반&#8217;을 선택합니다. 📜</li>
<li style="color: #000000;"><b>정보 선택</b>: &#8216;정보&#8217;를 선택합니다. 이동통신사 설정 업데이트가 필요한 경우 팝업이 나타납니다. ⚠️</li>
<li style="color: #000000;"><b>업데이트 확인</b>: 팝업이 나타나면 &#8216;업데이트&#8217;를 선택하여 이동통신사 설정을 업데이트합니다. 🔄</li>
</ol>
<h3 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size23">3. 이동통신사에 문의하기</h3>
<figure style="color: #333333; text-align: center;" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-ke-type="image"><img decoding="async" src="https://blog.kakaocdn.net/dn/d2VTxk/btsJ7v9iGYe/L3oWkNmJ5KN5At3s7AO021/img.png" alt="아이폰 서비스 없음 원인 및 해결방법" data-filename="image_3_img_png.png" data-origin-height="328" data-origin-width="500" data-is-animation="false" title="아이폰 서비스 없음 원인 및 해결방법 8"><figcaption style="color: #777777; text-align: center;">아이폰 서비스 없음 원인 및 해결방법</figcaption></figure>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">위의 방법으로 문제가 해결되지 않는다면, 이동통신사에 문의하는 것이 좋습니다. 📞</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">3.1. 계정 확인</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">이동통신사에 연락하여 계정이 활성 상태인지 확인합니다. 계정이 비활성화되었거나 요금제에 문제가 있을 경우, 일반 통신이 불가능할 수 있습니다. ❌</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">3.2. 서비스 지역 확인</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">이동통신사에 문의하여 현재 지역의 서비스 상태를 확인합니다. 특정 지역에서 네트워크 문제가 발생할 수 있습니다. 🌍</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">3.3. 데이터 요금제 확인</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">사용 중인 데이터 요금제가 올바른지 확인합니다. 데이터 요금제가 만료되었거나, 사용량 초과로 인해 서비스가 제한될 수 있습니다. 📊</p>
<h3 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size23">4. &#8216;서비스 없음&#8217; 표시와 3G 네트워크 사용</h3>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">일부 구형 기기에서는 &#8216;서비스 없음&#8217; 상태가 표시될 수 있습니다. 특히 iPhone 5s 이전 모델을 사용하는 경우, 네트워크의 단계적 철수에 영향을 받을 수 있습니다. 📵</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">4.1. 최신 iOS로 업데이트</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">구형 기기를 사용하는 경우, 최신 iOS로 업데이트하는 것이 중요합니다. 업데이트를 통해 버그 수정 및 성능 개선이 이루어질 수 있습니다.</p>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>설정으로 이동</b>: &#8216;설정&#8217; 앱을 엽니다. ⚙️</li>
<li style="color: #000000;"><b>일반 선택</b>: &#8216;일반&#8217;을 선택합니다. 📜</li>
<li style="color: #000000;"><b>소프트웨어 업데이트 선택</b>: &#8216;소프트웨어 업데이트&#8217;를 선택하여 최신 버전으로 업데이트합니다. ⬆️</li>
</ol>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">4.2. 이동통신사에 문의</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">업데이트 후에도 문제가 지속된다면, 이동통신사에 문의하여 문제를 논의합니다. 📞</p>
<h3 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size23">5. 하드웨어 문제 의심 시</h3>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">이동통신사와 계정 및 네트워크 문제가 없을 때에도 여전히 문제가 발생한다면, 하드웨어 결함일 가능성이 있습니다. 🔍</p>
<h4 style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size20">5.1. 하드웨어 점검</h4>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">하드웨어 문제를 의심할 경우, Apple의 고객 지원 센터에서 추가적인 점검을 받아보는 것이 좋습니다.</p>
<ol style="list-style-type: decimal; background-color: #ffffff; color: #000000; text-align: start;" data-ke-list-type="decimal">
<li style="color: #000000;"><b>Apple 지원 웹사이트 방문</b>: <a style="color: #000000;" href="https://support.apple.com/" target="_blank" rel="noopener">Apple 고객 지원 센터 바로가기</a>로 이동합니다. 🌐</li>
<li style="color: #000000;"><b>문제 설명</b>: 문제를 설명하고, 필요한 경우 예약을 진행합니다. 📅</li>
<li style="color: #000000;"><b>점검 및 수리</b>: Apple Store 또는 공인 서비스 제공업체에서 기기를 점검받고, 필요한 경우 수리를 진행합니다. 🔧</li>
</ol>
<p style="background-color: #ffffff; color: #000000; text-align: start;" data-ke-size="size16">아이폰에서 발생할 수 있는 &#8216;SOS&#8217; 문제는 다양한 원인으로 발생할 수 있지만, 간단한 설정 변경이나 재부팅으로 쉽게 해결할 수 있습니다. 이 글에서 제시한 방법들을 통해 문제를 해결하고, 다시 모바일 네트워크에 연결될 수 있기를 바랍니다. 🌈</p>
<!-- AI CONTENT END 2 -->
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		<title>저항 컨덕턴스 병렬 구조</title>
		<link>https://2days.kr/11/08/13/5968/it/electric/</link>
		
		<dc:creator><![CDATA[urjent]]></dc:creator>
		<pubDate>Fri, 11 Aug 2023 04:17:42 +0000</pubDate>
				<category><![CDATA[전기전자]]></category>
		<guid isPermaLink="false">https://2days.kr/?p=5968</guid>

					<description><![CDATA[저항 (Resistor) 와 컨덕턴스 (Conductance) 의 병렬 회로에 대해서 알아 보겠습니다. 컨덕턴스(conductance)란 무엇인가? ​전기가 얼마나 잘 통하느냐 하는 정도를 나타내는 계수가 컨덕턴스 (conductance) 입니다. 따라서 저항은 컨덕턴스와 반대로 전기를 얼마나 못 흐르게 하느냐 하는 계수이므로 컨덕턴스는 저항의 역수가 됩니다. 정확하게 표현하자면, ​직류에서는 저항의 역수를 나타낸 값이고, 교류에서는 어드미턴스 식의 실수부인 G값  즉, 복소 임피던스의 실수부의 [&#8230;]]]></description>
										<content:encoded><![CDATA[<div id="SE-0a610c1a-f2c3-11ed-a1c4-d5b5fa9a2933" class="se-component se-text se-l-default">
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<p>저항 (Resistor) 와 컨덕턴스 (Conductance) 의 병렬 회로에 대해서 알아 보겠습니다.</p>
<h3 id="SE-03340a22-f2c3-11ed-bd63-89366f89a99e" class="se-text-paragraph se-text-paragraph-align- "><strong><span id="SE-48cb3a97-f2c9-11ed-a1c4-115ca9c544f0" class="se-fs-fs16 se-ff-system   ">컨덕턴스(conductance)란 무엇인가?</span></strong></h3>
<hr />
<p class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cb3a98-f2c9-11ed-a1c4-07bf4f026ca7" class="se-fs-fs16 se-ff-system   ">​</span><span id="SE-48cb3a99-f2c9-11ed-a1c4-0b24791bb7b1" class="se-fs-fs16 se-ff-system   ">전기가 얼마나 잘 통하느냐 하는 정도를 나타내는 계수가 컨덕턴스 (conductance) 입니다. </span><span id="SE-48cb3a9b-f2c9-11ed-a1c4-6d9db6b707b8" class="se-fs-fs16 se-ff-system   ">따라서 저항은 컨덕턴스와 반대로 전기를 얼마나 못 흐르게 하느냐 하는 </span><span id="SE-48cb61ac-f2c9-11ed-a1c4-f12162d0919a" class="se-fs-fs16 se-ff-system   ">계수이므로 </span><span id="SE-48cb61ae-f2c9-11ed-a1c4-357c84c385d9" class="se-fs-fs16 se-ff-system   ">컨덕턴스는 저항의 역수가 됩니다.</span></p>
<p id="SE-03343144-f2c3-11ed-bd63-71265120170e" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cb88c1-f2c9-11ed-a1c4-75e94e82370c" class="se-fs-fs16 se-ff-system   ">정확하게 표현하자면, ​</span><span id="SE-48cb88c2-f2c9-11ed-a1c4-e523ba9d7c44" class="se-fs-fs16 se-ff-system   ">직류에서는 저항의 역수를 나타낸 값</span><span id="SE-48cb88c3-f2c9-11ed-a1c4-ad68b286cb8f" class="se-fs-fs16 se-ff-system   ">이고, </span><span id="SE-48cb88c5-f2c9-11ed-a1c4-a7e590684ae4" class="se-fs-fs16 se-ff-   ">교류에서는 어드미턴스 식의 실수부인 G값</span><span id="SE-48cb88c6-f2c9-11ed-a1c4-37cd7f59f446" class="se-fs-fs16 se-ff-   "> </span></p>
<p class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cbafd7-f2c9-11ed-a1c4-01241fd3ecdb" class="se-fs-fs16 se-ff-   ">즉, </span><span id="SE-48cbafd8-f2c9-11ed-a1c4-a1c7eedd3337" class="se-fs-fs16 se-ff-   ">복소 임피던스의 실수부의 역수 기능을 하는 </span><span id="SE-48cbafd9-f2c9-11ed-a1c4-115b1aa0cdc6" class="se-fs-fs16 se-ff-   ">부분입니다.</span></p>
<p id="SE-03343158-f2c3-11ed-bd63-bdc3ee87c1fd" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cbafda-f2c9-11ed-a1c4-a3fa51810e9d" class="se-fs-fs16 se-ff-system   ">​</span><span id="SE-48cbafdb-f2c9-11ed-a1c4-fddebc1357f6" class="se-fs-fs16 se-ff-system   ">컨덕턴스는 G로 표시하며, </span><span id="SE-48cbd6ed-f2c9-11ed-a1c4-7d312c4b90ec" class="se-fs-fs16 se-ff-system   ">그 단위는 [S:&#8217;지멘스&#8217;],(대문자로 표시) 또는 모[mho:</span><span id="SE-48cbd6ee-f2c9-11ed-a1c4-833968027b68" class="se-fs-fs19 se-ff-system   "><b>℧</b></span><span id="SE-48cbd6ef-f2c9-11ed-a1c4-a536165fcd77" class="se-fs-fs16 se-ff-system   ">]를 사용합니다.</span></p>
<p id="SE-0334587b-f2c3-11ed-bd63-b9df2a8140d7" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cbd6f1-f2c9-11ed-a1c4-778c418c3c82" class="se-fs-fs16 se-ff-system   "> </span><span id="SE-48cbd6f2-f2c9-11ed-a1c4-f95ee8417a20" class="se-fs-fs16 se-ff-system   ">컨덕턴스로 전류를 구하는 공식은 아래와 같습니다.</span></p>
<p id="SE-03345880-f2c3-11ed-bd63-c1fe195fd834" class="se-text-paragraph se-text-paragraph-align- "><span style="background-color: #ffffff;"><code><span id="SE-48cbfe03-f2c9-11ed-a1c4-7d3353be374f" class="se-fs-fs16 se-ff-system   ">​</span><span id="SE-48cbfe04-f2c9-11ed-a1c4-f16c6057b6ab" class="se-fs-fs16 se-ff-system   "><b>G = 1/R [S],  I = V*G </b></span><span id="SE-48cbfe05-f2c9-11ed-a1c4-8784fd5c2267" class="se-fs-fs16 se-ff-system   ">(</span><span id="SE-48cbfe06-f2c9-11ed-a1c4-ef10e7217d36" class="se-fs-fs16 se-ff-system   ">V*1/R이므로</span><span id="SE-48cbfe07-f2c9-11ed-a1c4-d74d358d662c" class="se-fs-fs16 se-ff-system   ">)</span></code></span></p>
<p id="SE-03345888-f2c3-11ed-bd63-1bed2b171c3b" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cc251a-f2c9-11ed-a1c4-6fa8de0f4888" class="se-fs-fs13 se-ff-   ">컨덕턴스는 저항의 역수이기 때문에 </span><span id="SE-48cc251b-f2c9-11ed-a1c4-534ba6b5c73d" class="se-fs-fs13 se-ff-   ">직렬과 병렬의 합성 콘덕터스의 계산이 저항과 반대가 됩니다.</span></p>
<h3 id="SE-03340a22-f2c3-11ed-bd63-89366f89a99e" class="se-text-paragraph se-text-paragraph-align- "><strong><span id="SE-48cb3a97-f2c9-11ed-a1c4-115ca9c544f0" class="se-fs-fs16 se-ff-system   ">병렬회로에서 저항 구하기</span></strong></h3>
<hr />
<p id="SE-03347f9f-f2c3-11ed-bd63-3feb833f559a" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cc251f-f2c9-11ed-a1c4-cd72907ffa91" class="se-fs-fs13 se-ff-   ">각 저항 양단의 전압은 전원전압과 같고 각 저항에 흐르는 전류는 분배 됩니다. </span></p>
<p class="se-text-paragraph se-text-paragraph-align- ">직렬에서는 전류값이 동일하고, 병렬에서는 전압값이 동일합니다.</p>
<p><span id="SE-48cc4c30-f2c9-11ed-a1c4-dd87667ecf71" class="se-fs- se-ff-   "> </span></div>
<h4 class="se-module se-module-text"><span id="SE-48cc4c30-f2c9-11ed-a1c4-dd87667ecf71" class="se-fs- se-ff-   "><strong>병렬회로 구성 &#8211; </strong></span><strong><span id="SE-48cc4c31-f2c9-11ed-a1c4-b7c9eedd1521" class="se-fs-fs13 se-ff-   ">합성저항</span></strong></h4>
<p>&nbsp;</p>
<p id="SE-03347fab-f2c3-11ed-bd63-813dfe24a1ec" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cc4c33-f2c9-11ed-a1c4-1f3fe7edefaa" class="se-fs-fs13 se-ff-   " style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">2개의 저항이 병렬로 연결된 회로는 전압은 일정하고 전류는 분배된다.</span><span id="SE-48cc4c34-f2c9-11ed-a1c4-899f7c2dbf4e" class="se-fs-fs13 se-ff-   " style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">각 저항 R₁, R₂에 흐르는 전류는 옴의 법칙과 키르히호프의 전류법칙을 적용하면 </span><span id="SE-48cc4c35-f2c9-11ed-a1c4-6f54988a7c4f" class="se-fs-fs13 se-ff-   " style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">전체전류 I는</span><span id="SE-48cc4c36-f2c9-11ed-a1c4-6534d0c9f73b" class="se-fs- se-ff-   " style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">​</span><span id="SE-48cc4c37-f2c9-11ed-a1c4-33ced6551709" class="se-fs- se-ff-   " style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"> </span></p>
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<div class="se-module se-module-text"><span id="SE-48cc9a58-f2c9-11ed-a1c4-f71b3960490e" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48cc9a59-f2c9-11ed-a1c4-ab4fee3f1b5c" class="se-fs-fs13 se-ff-   ">합성저항이</span><span id="SE-48cc9a5a-f2c9-11ed-a1c4-f15606c74102" class="se-fs-fs16 se-ff-   "> </span><span id="SE-48cc9a5b-f2c9-11ed-a1c4-41d55c619bfd" class="se-fs-fs16 se-ff-   ">R0(0은 첨자이므로 R보다 작게 표기함이 원칙이다.)</span><span id="SE-48cc9a5c-f2c9-11ed-a1c4-39ef3fa68895" class="se-fs-fs13 se-ff-   ">이라고 하면</span><span id="SE-48cc9a5d-f2c9-11ed-a1c4-f57f525750ae" class="se-fs- se-ff-   "> </span></div>
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<div class="se-module se-module-text"><span id="SE-48ccc16e-f2c9-11ed-a1c4-67109f2d9193" class="se-fs-fs16 se-ff-   "><b>I </b></span><span id="SE-48ccc16f-f2c9-11ed-a1c4-1fc819a781fb" class="se-fs-fs16 se-ff-   ">= V/R</span><span id="SE-48ccc170-f2c9-11ed-a1c4-3772c1e129f6" class="se-fs-fs13 se-ff-   ">ㅇ이므로  </span><span id="SE-48ccc171-f2c9-11ed-a1c4-af5bb2b5220b" class="se-fs-fs16 se-ff-   "><b>I </b></span><span id="SE-48ccc172-f2c9-11ed-a1c4-35244cc6e7ff" class="se-fs-fs13 se-ff-   ">대신에 </span><span id="SE-48ccc173-f2c9-11ed-a1c4-a9a39b4d4a17" class="se-fs-fs16 se-ff-   ">V/R</span><span id="SE-48cce884-f2c9-11ed-a1c4-f9188958d464" class="se-fs-fs13 se-ff-   ">ㅇ를 대입하면</span></p>
<p id="SE-03347fcf-f2c3-11ed-bd63-8b7f785349b2" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cce885-f2c9-11ed-a1c4-9923ecaa77a6" class="se-fs-fs16 se-ff-   ">​V/R</span><span id="SE-48cce886-f2c9-11ed-a1c4-29c9daa8c076" class="se-fs-fs13 se-ff-   ">ㅇ</span><span id="SE-48cce887-f2c9-11ed-a1c4-5dccff3842d6" class="se-fs-fs16 se-ff-   ">= V(1/ R₁+ 1/R₂) </span><span id="SE-48cce888-f2c9-11ed-a1c4-e9667dad1d27" class="se-fs-fs13 se-ff-   "> 이므로 V는 서로 상쇄되고 </span></p>
<p id="SE-03347fd1-f2c3-11ed-bd63-d1de0acc00a3" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd0f9a-f2c9-11ed-a1c4-9d7effc9a0c1" class="se-fs-fs13 se-ff-   ">따라서 위 두식의 관계로부터</span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-0334a6e6-f2c3-11ed-bd63-9de8bd462ea8&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11n3a40i7809r.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11n3a40i7809r.jpg" alt="h11n3a40i7809r" data-top="1731.5625" title="저항 컨덕턴스 병렬 구조 29"></a></div>
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<p id="SE-0334a6e9-f2c3-11ed-bd63-e31149233f23" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd0f9c-f2c9-11ed-a1c4-db12af30c7a7" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-0334a6eb-f2c3-11ed-bd63-cfba32ba9be9" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd0f9d-f2c9-11ed-a1c4-c52a76015023" class="se-fs-fs13 se-ff-   ">일반적으로 n개의 저항이 병렬로 연결된 경우</span></p>
<p id="SE-0334a6ed-f2c3-11ed-bd63-6fc886cee0ad" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd0f9e-f2c9-11ed-a1c4-e540241f8fda" class="se-fs- se-ff-   "> </span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-0334a6ee-f2c3-11ed-bd63-65c573e7fdbf&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11n5izdoxquab.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11n5izdoxquab.jpg" alt="" data-top="2003.359375" title="저항 컨덕턴스 병렬 구조 30"></a></div>
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<p id="SE-0334a6f1-f2c3-11ed-bd63-a154d8071923" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd36af-f2c9-11ed-a1c4-83f4dee60193" class="se-fs-fs13 se-ff-   ">​</span></p>
<h4 id="SE-0334a6f3-f2c3-11ed-bd63-e5de4e327ba1" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd36b0-f2c9-11ed-a1c4-09fb9fc55fb1" class="se-fs-fs13 se-ff-   "><b> 병렬회로 구성 &#8211; 합성 컨덕턴스</b></span></h4>
<p id="SE-0334a6f5-f2c3-11ed-bd63-67c1cf85083e" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd36b1-f2c9-11ed-a1c4-e32e99a8be66" class="se-fs- se-ff-   "><b> </b></span></p>
<p id="SE-0334a6f9-f2c3-11ed-bd63-6f8e92211713" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd36b2-f2c9-11ed-a1c4-795aac173a1a" class="se-fs-fs13 se-ff-   ">전체전류</span><span id="SE-48cd36b3-f2c9-11ed-a1c4-69fb2aa63a51" class="se-fs-fs16 se-ff-   "> I </span><span id="SE-48cd5dc4-f2c9-11ed-a1c4-07350cbace04" class="se-fs-fs13 se-ff-   ">는 </span><span id="SE-48cd5dc7-f2c9-11ed-a1c4-3dc961fae3a2" class="se-fs-fs19 se-ff-   ">I = I₁+ I₂= G₁V + G₂V = (G₁+ G₂)V </span><span id="SE-48cd5dc9-f2c9-11ed-a1c4-b76342eb8821" class="se-fs-fs13 se-ff-   ">합성 컨덕턴스 </span><span id="SE-48cd5dca-f2c9-11ed-a1c4-f5574df9a895" class="se-fs-fs16 se-ff-   ">G</span><span id="SE-48cd84db-f2c9-11ed-a1c4-634801c52448" class="se-fs-fs13 se-ff-   ">0 는</span></p>
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<div id="SE-033654ce-f2c3-11ed-bd63-95c093799bc6" class="se-component se-text se-l-default">
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<p id="SE-0334a710-f2c3-11ed-bd63-4f5fb05b6f00" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cd84dd-f2c9-11ed-a1c4-e30ecb343aa0" class="se-fs-fs13 se-ff-   ">​I </span><span id="SE-48cd84de-f2c9-11ed-a1c4-4db0a369fc16" class="se-fs-fs13 se-ff-   ">대신에 </span><span id="SE-48cd84df-f2c9-11ed-a1c4-9f86090a8a5f" class="se-fs-fs13 se-ff-   ">G</span><span id="SE-48cdabf0-f2c9-11ed-a1c4-6fa3c9057994" class="se-fs-fs11 se-ff-   ">0</span><span id="SE-48cdabf1-f2c9-11ed-a1c4-9fba3667f646" class="se-fs-fs13 se-ff-   "> V</span><span id="SE-48cdabf2-f2c9-11ed-a1c4-8b36c455d613" class="se-fs-fs13 se-ff-   ">를 대입하면 </span><span id="SE-48cdabf4-f2c9-11ed-a1c4-efd6fd9de74b" class="se-fs-fs13 se-ff-   ">G</span><span id="SE-48cdabf5-f2c9-11ed-a1c4-79c4c691fab5" class="se-fs-fs11 se-ff-   ">0</span><span id="SE-48cdabf6-f2c9-11ed-a1c4-b9244bb94c17" class="se-fs-fs13 se-ff-   "> V </span><span id="SE-48cdd307-f2c9-11ed-a1c4-335d9912fa60" class="se-fs-fs13 se-ff-   ">=​</span><span id="SE-48cdd308-f2c9-11ed-a1c4-1b3db15879ad" class="se-fs- se-ff-   "> </span><span id="SE-48cdd309-f2c9-11ed-a1c4-89a69cd8bc53" class="se-fs- se-ff-   ">(</span><span id="SE-48cdd30a-f2c9-11ed-a1c4-919c62640257" class="se-fs-fs13 se-ff-   ">G₁+ G₂)V </span><span id="SE-48cdd30c-f2c9-11ed-a1c4-9d3ff3cd8877" class="se-fs-fs13 se-ff-   ">따라서 위 두 식의 관계로부터 V는 서로 상쇄 되므로 </span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-0334ce31-f2c3-11ed-bd63-b94c935325cd&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11nbr941rdfkk.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11nbr941rdfkk.jpg" alt="h11nbr941rdfkk" data-top="2612.3359375" title="저항 컨덕턴스 병렬 구조 32"></a></div>
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<p id="SE-0334ce36-f2c3-11ed-bd63-813aafebc778" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cdfa1f-f2c9-11ed-a1c4-d971a5c35126" class="se-fs-fs13 se-ff-   ">또는  </span><span id="SE-48cdfa21-f2c9-11ed-a1c4-53076a63f602" class="se-fs-fs13 se-ff-   ">다른 방법으로 하면 </span><span id="SE-48ce2132-f2c9-11ed-a1c4-75062f62f475" class="se-fs-fs16 se-ff-   "><b>G</b></span><span id="SE-48ce2133-f2c9-11ed-a1c4-8d9fc174fefd" class="se-fs-fs13 se-ff-   "><b>0 = </b></span><span id="SE-48ce2134-f2c9-11ed-a1c4-21f280b65dcd" class="se-fs-fs16 se-ff-   "><b>1</b></span><span id="SE-48ce2135-f2c9-11ed-a1c4-cbe8f873893f" class="se-fs-fs13 se-ff-   "><b>/</b></span><span id="SE-48ce2136-f2c9-11ed-a1c4-314fcef76b32" class="se-fs-fs16 se-ff-   "><b>R</b></span><span id="SE-48ce2137-f2c9-11ed-a1c4-b1982a72da6a" class="se-fs-fs13 se-ff-   "><b>0 이고 </b></span><span id="SE-48ce2138-f2c9-11ed-a1c4-7dc6a97a56c5" class="se-fs-fs16 se-ff-   "> I₁= V/ R₁, I₂=  V/R₂ 이므로 </span></p>
<p id="SE-0334ce43-f2c3-11ed-bd63-cfe9d7065b89" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48ce4849-f2c9-11ed-a1c4-8f339aae0fea" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48ce484a-f2c9-11ed-a1c4-ffe36c677fd7" class="se-fs-fs16 se-ff-   ">I = I₁+ I₂= V/ R₁+ V/R₂= V(1/ R₁+1/R₂) </span></p>
<p id="SE-0334ce47-f2c3-11ed-bd63-0bd051ea76f4" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48ce484b-f2c9-11ed-a1c4-05bb9c3066b1" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48ce484c-f2c9-11ed-a1c4-5370945eb86f" class="se-fs-fs16 se-ff-   ">I = V/R</span><span id="SE-48ce484d-f2c9-11ed-a1c4-3f24455766af" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48ce484e-f2c9-11ed-a1c4-d5c4324c72a1" class="se-fs-fs16 se-ff-   ">이므로  I 대신에 V/R</span><span id="SE-48ce484f-f2c9-11ed-a1c4-bfcb8a574199" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48ce6f60-f2c9-11ed-a1c4-53448502f0a3" class="se-fs-fs16 se-ff-   ">를 대입하면</span></p>
<p id="SE-0334ce50-f2c3-11ed-bd63-6f3833a936d6" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48ce6f61-f2c9-11ed-a1c4-cba49453fa34" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48ce6f62-f2c9-11ed-a1c4-679dc1fc6930" class="se-fs-fs16 se-ff-   ">V/R</span><span id="SE-48ce6f63-f2c9-11ed-a1c4-81cfdf5bac67" class="se-fs-fs11 se-ff-   ">ㅇ </span><span id="SE-48ce6f64-f2c9-11ed-a1c4-c31693cb4da1" class="se-fs-fs16 se-ff-   ">= V(1 / R₁+1/R₂) </span></p>
<p id="SE-0334ce56-f2c3-11ed-bd63-b1ee156397f2" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48ce6f65-f2c9-11ed-a1c4-87f6f05b75b6" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48ce9676-f2c9-11ed-a1c4-e348c5036cf0" class="se-fs-fs16 se-ff-   ">(1/R</span><span id="SE-48ce9677-f2c9-11ed-a1c4-5588743745e1" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48ce9678-f2c9-11ed-a1c4-19ef72f33876" class="se-fs-fs16 se-ff-   ">)​V = V(1 / R₁+1/R₂) </span></p>
<p id="SE-0334ce5e-f2c3-11ed-bd63-f3680f5ba9b9" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48ce9679-f2c9-11ed-a1c4-03201e010c28" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48ce967a-f2c9-11ed-a1c4-ff3ae15fe02d" class="se-fs-fs16 se-ff-   ">이므로 V는 서로 상쇄되고  G</span><span id="SE-48ce967b-f2c9-11ed-a1c4-53fcd8d4763d" class="se-fs-fs11 se-ff-   ">0 </span><span id="SE-48ce967c-f2c9-11ed-a1c4-1b283665b785" class="se-fs-fs16 se-ff-   ">= 1/R</span><span id="SE-48cebd8d-f2c9-11ed-a1c4-437d0ba8c2fa" class="se-fs-fs11 se-ff-   ">0 </span><span id="SE-48cebd8e-f2c9-11ed-a1c4-ef3757a94e77" class="se-fs-fs16 se-ff-   ">이고  G₁= 1 / R₁,G₂= 1/R₂이므로 </span></p>
<p id="SE-0334ce66-f2c3-11ed-bd63-e71c8b3d55fd" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cebd8f-f2c9-11ed-a1c4-77ceb4795a0e" class="se-fs- se-ff-   "> </span><span id="SE-48cebd90-f2c9-11ed-a1c4-3916b29eebdf" class="se-fs-fs16 se-ff-   "><b>G</b></span><span id="SE-48cebd91-f2c9-11ed-a1c4-0d8c9020163e" class="se-fs-fs11 se-ff-   "><b>0</b></span><span id="SE-48cebd92-f2c9-11ed-a1c4-75757b87521f" class="se-fs-fs16 se-ff-   "><b> =​ G₁+ G₂</b></span></p>
<p id="SE-0334ce6c-f2c3-11ed-bd63-ab78290f181e" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cee4a3-f2c9-11ed-a1c4-ad9e4efb7a00" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48cee4a5-f2c9-11ed-a1c4-d16bf2d9f582" class="se-fs-fs13 se-ff-   ">일반적으로 </span></p>
<p id="SE-0334f482-f2c3-11ed-bd63-2b09967f4956" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cee4a6-f2c9-11ed-a1c4-bdb1499cedc5" class="se-fs-fs13 se-ff-   ">n개의 컨덕턴스가 병렬로연결된 경우의 합성컨덕턴스는</span></p>
<p id="SE-0334f484-f2c3-11ed-bd63-776aa5dd4909" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cee4a7-f2c9-11ed-a1c4-d3da6021fb0c" class="se-fs- se-ff-   "> </span></p>
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<div id="SE-033654d0-f2c3-11ed-bd63-339175e55fdf" class="se-component se-text se-l-default">
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<p id="SE-0334f488-f2c3-11ed-bd63-ab1c45e43a14" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf0bb8-f2c9-11ed-a1c4-33edfd6d8df7" class="se-fs- se-ff-   ">   </span></p>
<h4 id="SE-0334f48a-f2c3-11ed-bd63-b99a2481c0e8" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf0bb9-f2c9-11ed-a1c4-1f02aabb507a" class="se-fs-fs13 se-ff-   "><b> 전류분배의 법칙</b></span></h4>
<p id="SE-0334f48c-f2c3-11ed-bd63-1fc8e406a128" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf0bba-f2c9-11ed-a1c4-a9ef9863d058" class="se-fs- se-ff-   "> </span></p>
<p id="SE-0334f48f-f2c3-11ed-bd63-014baaa9d743" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf0bbb-f2c9-11ed-a1c4-ffb210c5ae2b" class="se-fs-fs13 se-ff-   ">병렬회로의 각 저항에 전류가 흘러들어오면 전류는 각 컨덕턴스의 크기에 비례하고,  </span><span id="SE-48cf0bbc-f2c9-11ed-a1c4-2994df595c82" class="se-fs-fs13 se-ff-   ">R각 저항의 크기에는 반비례하므로 </span></p>
<p id="SE-0334f493-f2c3-11ed-bd63-bbb73bc1fbbe" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf32cd-f2c9-11ed-a1c4-73ec26d015c8" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48cf32ce-f2c9-11ed-a1c4-41ff41ddd499" class="se-fs-fs13 se-ff-   "><b> </b></span><span id="SE-48cf32cf-f2c9-11ed-a1c4-2dcb977572bc" class="se-fs-fs16 se-ff-   "><b>I₁= G₁V   이고  V = I /G</b></span><span id="SE-48cf32d0-f2c9-11ed-a1c4-bb04cdc49f1d" class="se-fs-fs11 se-ff-   "><b>​0</b></span><span id="SE-48cf32d1-f2c9-11ed-a1c4-39eb79d402ae" class="se-fs-fs16 se-ff-   "><b>  이고  G</b></span><span id="SE-48cf32d2-f2c9-11ed-a1c4-b34f2c1f2fa4" class="se-fs-fs11 se-ff-   "><b>0</b></span><span id="SE-48cf32d3-f2c9-11ed-a1c4-ddfe6d8644cc" class="se-fs-fs16 se-ff-   "><b> = G₁+ G₂</b></span><span id="SE-48cf32d4-f2c9-11ed-a1c4-b3ae3016b6be" class="se-fs-fs16 se-ff-   ">이므로 </span></p>
<p id="SE-0334f4a1-f2c3-11ed-bd63-0f51550f439f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf59e6-f2c9-11ed-a1c4-4fd67d1a554e" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48cf59e7-f2c9-11ed-a1c4-afff2eb1241c" class="se-fs-fs16 se-ff-   "><b> </b></span><span id="SE-48cf59e8-f2c9-11ed-a1c4-b9dd86725c01" class="se-fs-fs16 se-ff-   "><b>I₂= G₂V  이고  V = I /G</b></span><span id="SE-48cf59e9-f2c9-11ed-a1c4-7f694de72e13" class="se-fs-fs11 se-ff-   "><b>0</b></span><span id="SE-48cf59ea-f2c9-11ed-a1c4-63db4c3134c7" class="se-fs-fs16 se-ff-   "><b>  이고  G0 = G₁+ G₂</b></span><span id="SE-48cf80fb-f2c9-11ed-a1c4-cd9349325e80" class="se-fs-fs16 se-ff-   ">이므로  대입하면 </span></p>
<p id="SE-0334f4af-f2c3-11ed-bd63-87b49c4b60d0" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf80fc-f2c9-11ed-a1c4-e513f38e42fe" class="se-fs-fs16 se-ff-   ">​</span></p>
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<div id="SE-03351bc0-f2c3-11ed-bd63-d5b32ec1f82e" class="se-component se-image se-l-default">
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<div class="se-section se-section-image se-l-default se-section-align-">
<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-03351bc0-f2c3-11ed-bd63-d5b32ec1f82e&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11ngl1wnpoldj.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11ngl1wnpoldj.jpg" alt="h11ngl1wnpoldj" data-top="3623.671875" title="저항 컨덕턴스 병렬 구조 34"></a></div>
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<div id="SE-033654d1-f2c3-11ed-bd63-1f81abef64d8" class="se-component se-text se-l-default">
<div class="se-component-content">
<div class="se-section se-section-text se-l-default">
<div class="se-module se-module-text">
<p id="SE-03351bc3-f2c3-11ed-bd63-efbd8deeb728" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cf80fd-f2c9-11ed-a1c4-2ba9366db543" class="se-fs- se-ff-   "> </span></p>
<p id="SE-03351bc6-f2c3-11ed-bd63-d39708e19eee" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cfa80e-f2c9-11ed-a1c4-41903d4d21f0" class="se-fs-fs13 se-ff-   "><b>I₁과 I₂의 크기의 분배는 G1, G2에 비례한다.(</b></span><span id="SE-48cfa80f-f2c9-11ed-a1c4-4b23760eed42" class="se-fs-fs13 se-ff-   ">저항의 직렬회로 전류분배와 같다.)</span></p>
<p id="SE-03351bc8-f2c3-11ed-bd63-a5dfe0d48603" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cfa810-f2c9-11ed-a1c4-edefd4d92dd4" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48cfa811-f2c9-11ed-a1c4-4b48030a0dfb" class="se-fs-fs13 se-ff-   ">즉 입력전류는 각각의 컨덕턴스에 비례하여 분배된다.</span></p>
<p id="SE-03351bcd-f2c3-11ed-bd63-0ff54a9cf7bc" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cfa813-f2c9-11ed-a1c4-eb0be32fc86f" class="se-fs-fs13 se-ff-   ">이것을 </span><span id="SE-48cfa814-f2c9-11ed-a1c4-79a64a948de7" class="se-fs-fs13 se-ff-   "><b>전류분배의 법칙(rule of current division)</b></span><span id="SE-48cfcf25-f2c9-11ed-a1c4-cb47b066bd44" class="se-fs-fs13 se-ff-   ">이라고 한다.</span></p>
<p id="SE-03351bd3-f2c3-11ed-bd63-eddd633eb797" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cfcf26-f2c9-11ed-a1c4-d7e8029988d7" class="se-fs- se-ff-   "> </span><span id="SE-48cfcf28-f2c9-11ed-a1c4-41a7269a93c9" class="se-fs-fs13 se-ff-   ">일반적으로 n개의 컨덕턴스가 병렬연결된 경우</span></p>
<p id="SE-03351bd9-f2c3-11ed-bd63-674882cae90f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cff63a-f2c9-11ed-a1c4-f1181bdf4639" class="se-fs-fs13 se-ff-   "></span><span id="SE-48cff63b-f2c9-11ed-a1c4-131d127c3b0a" class="se-fs- se-ff-   "> </span><span class="se-ff- se-fs-fs13 se-inline-image"> <a class="se-module se-module-image __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-48cff63c-f2c9-11ed-a1c4-530c426055b6&quot;, &quot;src&quot; : &quot;http://images.se2.naver.com/smedit/2012/4/15/h11nmj0am0djk7.jpg&quot;, &quot;originalWidth&quot; : &quot;320&quot;, &quot;originalHeight&quot; : &quot;68&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"> <img decoding="async" class="se-inline-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11nmj0am0djk7.jpg" alt="h11nmj0am0djk7" data-top="3960.0625" title="저항 컨덕턴스 병렬 구조 35"> </a> </span></p>
<p id="SE-03351bdf-f2c3-11ed-bd63-87817244061b" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cff63d-f2c9-11ed-a1c4-6555fd3c9490" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48cff63e-f2c9-11ed-a1c4-1b553b21f27e" class="se-fs-fs13 se-ff-   ">또는</span></p>
<p id="SE-03351bea-f2c3-11ed-bd63-25284e0c2b14" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48cff63f-f2c9-11ed-a1c4-1b51204e8ae3" class="se-fs-fs13 se-ff-   "><b>​ </b></span><span id="SE-48cff640-f2c9-11ed-a1c4-5f7209dda1dc" class="se-fs-fs16 se-ff-   "><b>I</b></span><span id="SE-48d01d51-f2c9-11ed-a1c4-3b0257b69000" class="se-fs-fs16 se-ff-   ">₁= V/ R₁이고   V = I R</span><span id="SE-48d09282-f2c9-11ed-a1c4-b3bcbd1846e0" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48d09283-f2c9-11ed-a1c4-5faff0ab8659" class="se-fs-fs16 se-ff-   ">이고 R</span><span id="SE-48d09284-f2c9-11ed-a1c4-99632cbc8f5e" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48d09285-f2c9-11ed-a1c4-f5bfc1978151" class="se-fs-fs16 se-ff-   "> = R₁R₂/R₁+ R₂이므로  </span></p>
<p id="SE-03351bf6-f2c3-11ed-bd63-4fc71d4f5867" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d0b996-f2c9-11ed-a1c4-efe64a447fc8" class="se-fs-fs16 se-ff-   ">​​ </span><span id="SE-48d0b997-f2c9-11ed-a1c4-ed27d6719b6a" class="se-fs-fs16 se-ff-   "><b>I</b></span><span id="SE-48d0b998-f2c9-11ed-a1c4-177ec39cc8f1" class="se-fs-fs16 se-ff-   ">₂=V/ R₂이고   V = I R</span><span id="SE-48d0b999-f2c9-11ed-a1c4-dfa413dfa1af" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48d0e0aa-f2c9-11ed-a1c4-67a75355bcc3" class="se-fs-fs16 se-ff-   ">이고 R</span><span id="SE-48d0e0ab-f2c9-11ed-a1c4-356ceec2031e" class="se-fs-fs11 se-ff-   ">ㅇ </span><span id="SE-48d0e0ac-f2c9-11ed-a1c4-1b611fd4d1f8" class="se-fs-fs16 se-ff-   ">= R₁R₂/R₁+ R₂이므로 </span></p>
<p id="SE-0335430f-f2c3-11ed-bd63-db2691b77957" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d107be-f2c9-11ed-a1c4-b33372a1423f" class="se-fs-fs16 se-ff-   "><b>​I</b></span><span id="SE-48d107bf-f2c9-11ed-a1c4-33cdc4c80447" class="se-fs-fs16 se-ff-   ">₁= V/ R₁= I R</span><span id="SE-48d107c0-f2c9-11ed-a1c4-87f69093c627" class="se-fs-fs11 se-ff-   ">ㅇ</span><span id="SE-48d107c1-f2c9-11ed-a1c4-75647265aa57" class="se-fs-fs16 se-ff-   ">/R₁= {I  (R₁R₂/R₁+ R₂)/R₁} </span></p>
<p id="SE-03354313-f2c3-11ed-bd63-c11e87fe97f3" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d12dd2-f2c9-11ed-a1c4-114cc6c58f9d" class="se-fs-fs16 se-ff-   ">= { I (R₁R₂)/R₁(R₁+ R₂)}</span></p>
<p id="SE-03354315-f2c3-11ed-bd63-419138074247" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d12dd4-f2c9-11ed-a1c4-2f1aac855cb0" class="se-fs-fs16 se-ff-   ">R₁은 서로 상쇄 되므로 </span><span id="SE-48d154e6-f2c9-11ed-a1c4-c176cc3e3c7e" class="se-fs- se-ff-   "> </span></p>
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<div id="SE-0335431d-f2c3-11ed-bd63-91912b4f038c" class="se-component se-image se-l-default">
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-0335431d-f2c3-11ed-bd63-91912b4f038c&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11ni842qdt8ut.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11ni842qdt8ut.jpg" alt="h11ni842qdt8ut" data-top="4356.3359375" title="저항 컨덕턴스 병렬 구조 36"></a></div>
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<div id="SE-033654d2-f2c3-11ed-bd63-df8e93e1da86" class="se-component se-text se-l-default">
<div class="se-component-content">
<div class="se-section se-section-text se-l-default">
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<p id="SE-03354322-f2c3-11ed-bd63-bd4d5847ae5f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d1a308-f2c9-11ed-a1c4-ab9fd460dd2e" class="se-fs-fs13 se-ff-   ">I₁과 I₂의 크기의 분배는 R₂,R₁에 비례한다. </span></p>
<p id="SE-03356a34-f2c3-11ed-bd63-210a6a6bdd97" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d1a309-f2c9-11ed-a1c4-fd5f146d1fa9" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d1ca1a-f2c9-11ed-a1c4-13d03616404e" class="se-fs-fs13 se-ff-   ">즉 입력전류는 각각의 저항에 반비례하여 분배된다.​​</span></p>
<p id="SE-03356a3b-f2c3-11ed-bd63-e9072679848f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d1ca1b-f2c9-11ed-a1c4-159ec3336629" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d1ca1c-f2c9-11ed-a1c4-2f0ae9a5e3f2" class="se-fs-fs13 se-ff-   ">이것을 전류분배의 법칙(rule of current division)이라고 한다.</span></p>
<p id="SE-03356a3f-f2c3-11ed-bd63-a7ae442f9830" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d1ca1d-f2c9-11ed-a1c4-c79bbc1cc293" class="se-fs- se-ff-   "> </span></p>
<h3 id="SE-03356a41-f2c3-11ed-bd63-190ec289ae4d" class="se-text-paragraph se-text-paragraph-align- "><strong><span id="SE-48d1f131-f2c9-11ed-a1c4-5df5cc2b97f6" class="se-fs- se-ff-   ">예제​</span></strong></h3>
<hr />
<p id="SE-03356a49-f2c3-11ed-bd63-7b33bbe15755" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d21843-f2c9-11ed-a1c4-b18b1d0755eb" class="se-fs-fs13 se-ff-   ">저항의 병렬연결에서 </span></p>
<p id="SE-03356a4f-f2c3-11ed-bd63-5d25b270499d" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d21844-f2c9-11ed-a1c4-5bf4fb74b259" class="se-fs-fs13 se-ff-   ">R₁= 10[Ω], R₂=  20[Ω], I = 3[A]이라면, I₁과 I₂는 각각 몇 [A]인가?</span><span id="SE-48d21845-f2c9-11ed-a1c4-19ee2815322e" class="se-fs- se-ff-   ">​</span></p>
<p id="SE-03356a53-f2c3-11ed-bd63-1b6fad65275b" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d21846-f2c9-11ed-a1c4-0512ed27922d" class="se-fs-fs13 se-ff-   "><b>​</b></span><span id="SE-48d23f57-f2c9-11ed-a1c4-d924301661d7" class="se-fs-fs13 se-ff-   ">풀이) </span><span id="SE-48d23f58-f2c9-11ed-a1c4-6b69b3f2d7c0" class="se-fs-fs13 se-ff-   ">전류분배의 법칙으로부터</span></p>
<p id="SE-03356a59-f2c3-11ed-bd63-dd1b96698f5a" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d23f59-f2c9-11ed-a1c4-89cd1fb85876" class="se-fs- se-ff-   "><b> </b></span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-03356a5a-f2c3-11ed-bd63-eb079e86437b&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11nt8t6non2ey.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11nt8t6non2ey.jpg" alt="h11nt8t6non2ey" data-top="4887.3203125" title="저항 컨덕턴스 병렬 구조 37"></a></div>
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<div id="SE-033654d3-f2c3-11ed-bd63-9109273cd551" class="se-component se-text se-l-default">
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<p id="SE-03356a5d-f2c3-11ed-bd63-b39bd4207528" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2666a-f2c9-11ed-a1c4-2da5775d4213" class="se-fs- se-ff-   ">  </span></p>
<p id="SE-03356a5f-f2c3-11ed-bd63-5dec87b6da6c" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2666b-f2c9-11ed-a1c4-47194d020f79" class="se-fs-fs13 se-ff-   ">예제 2)</span></p>
<p id="SE-03356a61-f2c3-11ed-bd63-630cf4d65c39" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d28d7c-f2c9-11ed-a1c4-a3a710728146" class="se-fs-fs13 se-ff-   ">저항의 병렬연결에서 </span></p>
<p id="SE-03356a63-f2c3-11ed-bd63-9105768c38c4" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d28d7d-f2c9-11ed-a1c4-3bf65da3663d" class="se-fs-fs13 se-ff-   ">2개의 저항 R₁= 4[Ω], R₂ = 1[Ω]이고 전압전원 V가 10[V]일때, </span></p>
<p id="SE-03356a65-f2c3-11ed-bd63-49f2c434f0f5" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d28d7e-f2c9-11ed-a1c4-c1bb27287dfc" class="se-fs-fs13 se-ff-   ">전류I₁, I₂ 및 전체전류 I를 구하여라.</span></p>
<p id="SE-03356a67-f2c3-11ed-bd63-d73bcd47e670" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2b490-f2c9-11ed-a1c4-ebc9d6cc122e" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-0335917b-f2c3-11ed-bd63-2d0e933c17ba" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2b491-f2c9-11ed-a1c4-47f099055375" class="se-fs-fs13 se-ff-   ">풀이)</span></p>
<p id="SE-4a8c049c-f2c6-11ed-a1c4-7b0a71fd6df6" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2b492-f2c9-11ed-a1c4-ed74cfcef697" class="se-fs-fs13 se-ff-   ">저항의 병렬 연결에서 전압은 일정하고</span></p>
<p id="SE-4a8c049e-f2c6-11ed-a1c4-af67fd5b6f52" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2dba3-f2c9-11ed-a1c4-43b36ad1d22d" class="se-fs-fs13 se-ff-   ">전류는 분배 되므로</span></p>
<p id="SE-0335917d-f2c3-11ed-bd63-2d0c154818d5" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d2dba4-f2c9-11ed-a1c4-277adbe7aa60" class="se-fs- se-ff-   "> </span></p>
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<p id="SE-03359181-f2c3-11ed-bd63-2bd12862f87f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d302b5-f2c9-11ed-a1c4-3300d0f5d21a" class="se-fs- se-ff-   ">   </span></p>
<p id="SE-03359183-f2c3-11ed-bd63-e13f2c6b3180" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d302b6-f2c9-11ed-a1c4-a321b547545a" class="se-fs-fs13 se-ff-   ">예제 3)</span></p>
<p id="SE-03359185-f2c3-11ed-bd63-f9caab539320" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d302b7-f2c9-11ed-a1c4-a5954e4e1f46" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d329c8-f2c9-11ed-a1c4-adc15a70a180" class="se-fs-fs13 se-ff-   ">저항의 병렬연결에서 </span></p>
<p id="SE-03359189-f2c3-11ed-bd63-9982c1533f18" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d329c9-f2c9-11ed-a1c4-c31d61eeae07" class="se-fs-fs13 se-ff-   ">R₁=10[Ω], R₂= 5[Ω], R₃= 2[Ω]이고 I = 2[A]일 때,</span></p>
<p id="SE-0335918d-f2c3-11ed-bd63-d31e0fe9ed8b" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d329ca-f2c9-11ed-a1c4-87eae3944665" class="se-fs-fs13 se-ff-   "> </span><span id="SE-48d329cb-f2c9-11ed-a1c4-13e7ac087913" class="se-fs-fs16 se-ff-   ">I₁, I₂, I₃</span><span id="SE-48d350dc-f2c9-11ed-a1c4-a5d049772b8c" class="se-fs-fs13 se-ff-   ">를 구하여라</span></p>
<p id="SE-0335918f-f2c3-11ed-bd63-d3b4e7b78915" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d350dd-f2c9-11ed-a1c4-1500768e078e" class="se-fs- se-ff-   "><b> </b></span></p>
<p class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d350df-f2c9-11ed-a1c4-71370aa466c2" class="se-fs-fs13 se-ff-   ">풀이 1)</span></p>
<p id="SE-03359195-f2c3-11ed-bd63-03b26e4b9687" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d377f0-f2c9-11ed-a1c4-b3d2d89f2cb7" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d377f1-f2c9-11ed-a1c4-01cf4d50f7cb" class="se-fs-fs13 se-ff-   ">저항을 컨덕턴스로 변환하여 구하면</span></p>
<p id="SE-03359199-f2c3-11ed-bd63-13b0eeac5324" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d377f2-f2c9-11ed-a1c4-ad1f5a0e17e8" class="se-fs- se-ff-   "> (이때 저항값을 컨덕턴스 값으로 등가 변환 한다 )</span></p>
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<p id="SE-0335919d-f2c3-11ed-bd63-8f53c68b8e78" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d3c615-f2c9-11ed-a1c4-e139fa29e3c8" class="se-fs-fs16 se-ff-   ">합성컨덕턴스 G</span><span id="SE-48d3c616-f2c9-11ed-a1c4-a5b5c8fc1733" class="se-fs-fs11 se-ff-   ">O</span><span id="SE-48d3c617-f2c9-11ed-a1c4-5566466d8376" class="se-fs-fs16 se-ff-   ">는 0.1+ 0.2 + 0.5 = 0.8 [</span><span id="SE-48d3c618-f2c9-11ed-a1c4-174cf73155d4" class="se-fs-fs19 se-ff-   ">℧</span><span id="SE-48d3ed29-f2c9-11ed-a1c4-cb83c23f8c55" class="se-fs-fs16 se-ff-   ">]</span></p>
<p id="SE-033591a7-f2c3-11ed-bd63-4de1bed97743" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d3ed2c-f2c9-11ed-a1c4-bf45d50e8234" class="se-fs-fs16 se-ff-   ">I₁= G₁V   이고  V = I / G</span><span id="SE-48d4143d-f2c9-11ed-a1c4-cfa3d577fab2" class="se-fs-fs11 se-ff-   ">​0</span><span id="SE-48d4143e-f2c9-11ed-a1c4-656c74c57479" class="se-fs-fs16 se-ff-   ">  이고 G</span><span id="SE-48d4143f-f2c9-11ed-a1c4-c59598116cce" class="se-fs-fs11 se-ff-   ">0</span><span id="SE-48d41440-f2c9-11ed-a1c4-cdd589ca8c4b" class="se-fs-fs16 se-ff-   "> = G₁+ G₂+ G₃이므로  </span></p>
<p id="SE-0335b7c4-f2c3-11ed-bd63-31ac5fd5b3d5" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d43b51-f2c9-11ed-a1c4-4771c4ea6b7a" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d43b52-f2c9-11ed-a1c4-3b0abb34592a" class="se-fs-fs13 se-ff-   ">따라서</span><span id="SE-48d43b53-f2c9-11ed-a1c4-6d57777da78c" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-0335b7cb-f2c3-11ed-bd63-434a3167f118" class="se-text-paragraph se-text-paragraph-align- "><span class="se-ff- se-fs-fs13 se-inline-image"> <a class="se-module se-module-image __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-48d43b54-f2c9-11ed-a1c4-33593a10fe8b&quot;, &quot;src&quot; : &quot;https://mblogthumb-phinf.pstatic.net/20140602_133/e077_1401682757313laReg_JPEG/2A.JPG&quot;, &quot;originalWidth&quot; : &quot;448&quot;, &quot;originalHeight&quot; : &quot;124&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"> <img decoding="async" id="img_2" class="se-inline-image-resource _lazy-loading-target-image" src="https://mblogthumb-phinf.pstatic.net/20140602_133/e077_1401682757313laReg_JPEG/2A.JPG?type=w800" alt="2A" data-top="6177.4765625" title="저항 컨덕턴스 병렬 구조 40"> </a> </span><span id="SE-48d46265-f2c9-11ed-a1c4-3b00b68ba9fe" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d46268-f2c9-11ed-a1c4-4ddac9398421" class="se-fs-fs13 se-ff-   ">풀이 2) </span></p>
<p id="SE-0335b7d3-f2c3-11ed-bd63-558fe0c79859" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d48979-f2c9-11ed-a1c4-275d9b12a5cc" class="se-fs-fs13 se-ff-   ">​</span><span id="SE-48d4897a-f2c9-11ed-a1c4-697293d27a93" class="se-fs-fs16 se-ff-   ">저항으로 구하면 </span><span id="SE-48d4897b-f2c9-11ed-a1c4-17fc0db4f401" class="se-fs-fs16 se-ff-   ">세개의 합성저항의 합  </span><span id="SE-48d4897c-f2c9-11ed-a1c4-83446b7c5fd9" class="se-fs-fs16 se-ff-   ">Rㅇ는  R₁ R₂R₃/R₁R₂+R₂R₃+R₃R₁ 이고 </span></p>
<p id="SE-0335b7e2-f2c3-11ed-bd63-8b281cdd42e3" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d4b08d-f2c9-11ed-a1c4-6d7aa8ceb279" class="se-fs-fs16 se-ff-   "><b>​</b></span></p>
<p id="SE-0335b7ea-f2c3-11ed-bd63-8b7bb46c8833" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d4b08e-f2c9-11ed-a1c4-a99f0e9f8710" class="se-fs-fs16 se-ff-   ">I₁= V/</span><span id="SE-48d4b08f-f2c9-11ed-a1c4-b370dc2cdf36" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d4b090-f2c9-11ed-a1c4-3baa5a23d83a" class="se-fs-fs16 se-ff-   ">R₁= I Rㅇ​/R₁</span></p>
<p id="SE-0335b7f2-f2c3-11ed-bd63-4f88d555583a" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d4d7a1-f2c9-11ed-a1c4-57f4c9e18385" class="se-fs-fs16 se-ff-   ">=​ I(R₁ R₂R₃/R₁R₂+R₂R₃+R₃R₁)/ R₁이므로 </span></p>
<p id="SE-0335df04-f2c3-11ed-bd63-fd64adb8d0bc" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d4d7a3-f2c9-11ed-a1c4-d1b60f7898a2" class="se-fs-fs16 se-ff-   ">R₁은 서로 상쇄 되므로 </span><span id="SE-48d4feb5-f2c9-11ed-a1c4-79c6b15be580" class="se-fs-fs16 se-ff-   ">분로 전류 I₁= R₂R₃I/R₁R₂+R₂R₃+R₃R₁</span></p>
<p id="SE-0335df10-f2c3-11ed-bd63-07a2479d8268" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d4feb6-f2c9-11ed-a1c4-434c5228fbb6" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d4feb7-f2c9-11ed-a1c4-e5c95595bc61" class="se-fs-fs16 se-ff-   ">= (5*2)*2​/10*5+5*2+2*10 = 20/80 = 0.25 [A]</span></p>
<p id="SE-0335df14-f2c3-11ed-bd63-0dd1f0472de9" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d525c8-f2c9-11ed-a1c4-1d318ed9a892" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d525c9-f2c9-11ed-a1c4-f9ce79b2b980" class="se-fs-fs16 se-ff-   ">​분로 </span><span id="SE-48d525ca-f2c9-11ed-a1c4-61c25be61ffc" class="se-fs-fs16 se-ff-   ">전류 I₂= R₃R₁I/R₁R₂+R₂R₃+R₃R₁</span></p>
<p id="SE-0335df1d-f2c3-11ed-bd63-713e22c72c84" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d525cb-f2c9-11ed-a1c4-d3111738e453" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d54cdc-f2c9-11ed-a1c4-3fe0afc87341" class="se-fs-fs16 se-ff-   ">= (2*10)*2/10*5+5*2+2*10 = 40/80 = 0.5 [A]</span></p>
<p id="SE-0335df22-f2c3-11ed-bd63-659d521aca91" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d54cdd-f2c9-11ed-a1c4-8bbe8c36b53a" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d54cde-f2c9-11ed-a1c4-03ea4f92bb7b" class="se-fs-fs16 se-ff-   ">분로 전류 I₃= R₁R₂I/R₁R₂+R₂R₃+R₃R₁</span></p>
<p id="SE-0336063b-f2c3-11ed-bd63-8b2633fdff07" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d54cdf-f2c9-11ed-a1c4-630a8da36e96" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d573f0-f2c9-11ed-a1c4-8b495a59b093" class="se-fs-fs16 se-ff-   ">= (10*5)*2/10*5+5*2+2*10 = 40/80 = 1.25 [A] 이다.</span></p>
<p id="SE-03360640-f2c3-11ed-bd63-7d829b4aa2d8" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d573f1-f2c9-11ed-a1c4-1f767d942163" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-48d573f2-f2c9-11ed-a1c4-7db5bbacdd64" class="se-fs-fs13 se-ff-   ">(저항으로 구하나 컨덕턴스로 구하나 그 값은 같으나 저항이 3개 이상일 경우에는</span></p>
<p id="SE-4a8c52c0-f2c6-11ed-a1c4-9d70bc7d43de" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d573f3-f2c9-11ed-a1c4-6f3a390a7a98" class="se-fs-fs13 se-ff-   ">컨덕턴스로 구하면 쉽고 간략하다</span><span id="SE-48d59b04-f2c9-11ed-a1c4-2b1e0eef0a65" class="se-fs-fs13 se-ff-   ">.)</span></p>
<p id="SE-03360646-f2c3-11ed-bd63-19937ea26459" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d59b05-f2c9-11ed-a1c4-17b5961b060e" class="se-fs-fs16 se-ff-   ">​</span></p>
<p id="SE-03360648-f2c3-11ed-bd63-4f39a682a921" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d59b06-f2c9-11ed-a1c4-fd4229ccf680" class="se-fs-fs13 se-ff-   ">예제 4)</span></p>
<p class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d5c218-f2c9-11ed-a1c4-2d6f4a3a13d4" class="se-fs-fs13 se-ff-   ">병렬회로에서 각 저항이 2,3,6[옴]이고  I = 12[A]일때 </span></p>
<p id="SE-0336064e-f2c3-11ed-bd63-dd61394d4939" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d5c219-f2c9-11ed-a1c4-636126a37656" class="se-fs-fs13 se-ff-   ">각 저항에서 소비전력을 구하고, </span><span id="SE-48d5c21a-f2c9-11ed-a1c4-eb2b0de057f4" class="se-fs-fs13 se-ff-   ">이들의 합은 전원에서의 공급전력과 같음을</span></p>
<p id="SE-03360652-f2c3-11ed-bd63-41d4ca47e914" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d5e92b-f2c9-11ed-a1c4-ff45c3969cef" class="se-fs-fs13 se-ff-   ">보여라.</span></p>
<p id="SE-03360654-f2c3-11ed-bd63-47e186955e9f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d5e92f-f2c9-11ed-a1c4-17e931bd5a08" class="se-fs- se-ff-   ">풀이)</span></p>
<p id="SE-0336065c-f2c3-11ed-bd63-1f752d223256" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d61040-f2c9-11ed-a1c4-432bf8e8fb9d" class="se-fs- se-ff-   "> </span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-03362d6d-f2c3-11ed-bd63-59adb972ed62&quot;, &quot;src&quot; : &quot;https://mblogthumb-phinf.pstatic.net/20140602_284/e077_1401678018057kglqI_JPEG/%BA%B4%B7%C4%C0%FA%C7%D7_%B0%E8%BB%EA.JPG&quot;, &quot;originalWidth&quot; : &quot;486&quot;, &quot;originalHeight&quot; : &quot;312&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" id="img_1" class="se-image-resource _lazy-loading-target-image" src="https://mblogthumb-phinf.pstatic.net/20140602_284/e077_1401678018057kglqI_JPEG/%BA%B4%B7%C4%C0%FA%C7%D7_%B0%E8%BB%EA.JPG?type=w800" alt="%BA%B4%B7%C4%C0%FA%C7%D7 %B0%E8%BB%EA" data-lazy-src="" data-width="486" data-height="312" data-top="7389.9921875" title="저항 컨덕턴스 병렬 구조 41"></a></div>
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<div id="SE-033654d6-f2c3-11ed-bd63-ad6f23b8d01d" class="se-component se-text se-l-default">
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<p id="SE-03362d70-f2c3-11ed-bd63-abe9b62b2622" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d65e62-f2c9-11ed-a1c4-bd58fc3b2dd4" class="se-fs-fs13 se-ff-   ">따라서 전체 소비전력</span><span id="SE-48d65e63-f2c9-11ed-a1c4-0ff71ec11632" class="se-fs-fs16 se-ff-   "> P​</span><span id="SE-48d68574-f2c9-11ed-a1c4-7dc0c53a16a7" class="se-fs-fs13 se-ff-   ">는 </span><span id="SE-48d68576-f2c9-11ed-a1c4-715d8276b657" class="se-fs-fs16 se-ff-   ">72+48+24 = 144[W]</span></p>
<p id="SE-03362d7c-f2c3-11ed-bd63-7349b46b5a6c" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d68578-f2c9-11ed-a1c4-f1948c5aa7fd" class="se-fs-fs13 se-ff-   ">전원 공급전력 </span><span id="SE-48d6ac89-f2c9-11ed-a1c4-a5048f97a8d3" class="se-fs-fs16 se-ff-   ">P</span><span id="SE-48d6ac8a-f2c9-11ed-a1c4-0f6025b87d6a" class="se-fs-fs13 se-ff-   ">S는</span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-03362d83-f2c3-11ed-bd63-cf2661380744&quot;, &quot;src&quot; : &quot;https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11pvnsdsv7kso.jpg&quot;, &quot;originalWidth&quot; : &quot;&quot;, &quot;originalHeight&quot; : &quot;&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource _lazy-loading-target-image" src="https://ssl.pstatic.net/images.se2/smedit/2012/4/15/h11pvnsdsv7kso.jpg" alt="h11pvnsdsv7kso" data-top="7930.6015625" title="저항 컨덕턴스 병렬 구조 42"></a></div>
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<div id="SE-033654d7-f2c3-11ed-bd63-894ffe83bf54" class="se-component se-text se-l-default">
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<p id="SE-03362d86-f2c3-11ed-bd63-310ddbd1bbbf" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d6d39d-f2c9-11ed-a1c4-9b68bcefc8bf" class="se-fs-fs13 se-ff-   ">따라서 전체 소비전력과 전원 공급전력은 같다.</span></p>
<p id="SE-03362d8a-f2c3-11ed-bd63-4318b570a1c8" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d6d39e-f2c9-11ed-a1c4-915e9f566024" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-03362d8c-f2c3-11ed-bd63-31b9a2074e4b" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d6faaf-f2c9-11ed-a1c4-f19a7a801d90" class="se-fs-fs13 se-ff-   ">예제5)</span></p>
<p id="SE-03362d8f-f2c3-11ed-bd63-2fd1a3249c95" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d6fab0-f2c9-11ed-a1c4-09563af81381" class="se-fs-fs13 se-ff-   ">​</span><span class="se-ff- se-fs-fs13 se-inline-image"> <a class="se-module se-module-image __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-48d6fab1-f2c9-11ed-a1c4-d1bf51bc2fff&quot;, &quot;src&quot; : &quot;https://mblogthumb-phinf.pstatic.net/MjAxNzA4MjNfMjQ2/MDAxNTAzNDY5MDc1NTk2.CgxDbzru9h43wqAZRlD_D7wt_F5eC6pSzFi4Th_UHAMg.d-N32mvJG6KTTd8Rc5Ekus5C6omWTfA-wA3WKUaraN0g.JPEG.e077/%EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EC%A7%81%EB%A0%AC%EB%B3%91%EB%A0%AC%EA%B3%84%EC%82%B0%EB%B2%95.jpg&quot;, &quot;originalWidth&quot; : &quot;550&quot;, &quot;originalHeight&quot; : &quot;609&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"> <img decoding="async" id="img_4" class="se-inline-image-resource _lazy-loading-target-image" src="https://mblogthumb-phinf.pstatic.net/MjAxNzA4MjNfMjQ2/MDAxNTAzNDY5MDc1NTk2.CgxDbzru9h43wqAZRlD_D7wt_F5eC6pSzFi4Th_UHAMg.d-N32mvJG6KTTd8Rc5Ekus5C6omWTfA-wA3WKUaraN0g.JPEG.e077/%EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EC%A7%81%EB%A0%AC%EB%B3%91%EB%A0%AC%EA%B3%84%EC%82%B0%EB%B2%95.jpg?type=w800" alt="%EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EC%A7%81%EB%A0%AC%EB%B3%91%EB%A0%AC%EA%B3%84%EC%82%B0%EB%B2%95" data-top="8081.796875" title="저항 컨덕턴스 병렬 구조 43"> </a> </span></p>
<p id="SE-03362d91-f2c3-11ed-bd63-dbd478223025" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d6fab2-f2c9-11ed-a1c4-8311e9498971" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-03362d93-f2c3-11ed-bd63-2f468ef2daf8" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d721c3-f2c9-11ed-a1c4-e94be5ce15cd" class="se-fs-fs13 se-ff-   ">예제6)</span><span id="SE-48d721c5-f2c9-11ed-a1c4-9df12d6ca495" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-03362d9a-f2c3-11ed-bd63-f7cd1d1fe55c" class="se-text-paragraph se-text-paragraph-align- "><span class="se-ff- se-fs-fs13 se-inline-image"> <a class="se-module se-module-image __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-48d748d6-f2c9-11ed-a1c4-172e2143bdc1&quot;, &quot;src&quot; : &quot;https://mblogthumb-phinf.pstatic.net/MjAxNzA4MjRfMjcg/MDAxNTAzNTM4NDg1NDM1.IZMjEGyU9QlCbqicQGaw56IQUQRzhMekDafS-CQaj30g.6UPjRmxP_s9B1fqWsSX3BjqfEPVlCwQvM_fhMu25r2kg.JPEG.e077/%ED%95%A9%EC%84%B1%EC%A0%80%ED%95%AD%EC%9D%84_%EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EB%A1%9C_%EB%B3%80%ED%99%98%28%EC%88%98%EC%A0%95%EB%B3%B8%29.jpg&quot;, &quot;originalWidth&quot; : &quot;550&quot;, &quot;originalHeight&quot; : &quot;544&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"> <img decoding="async" id="img_6" class="se-inline-image-resource _lazy-loading-target-image" src="https://mblogthumb-phinf.pstatic.net/MjAxNzA4MjRfMjcg/MDAxNTAzNTM4NDg1NDM1.IZMjEGyU9QlCbqicQGaw56IQUQRzhMekDafS-CQaj30g.6UPjRmxP_s9B1fqWsSX3BjqfEPVlCwQvM_fhMu25r2kg.JPEG.e077/%ED%95%A9%EC%84%B1%EC%A0%80%ED%95%AD%EC%9D%84_%EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EB%A1%9C_%EB%B3%80%ED%99%98%28%EC%88%98%EC%A0%95%EB%B3%B8%29.jpg?type=w800" alt="%ED%95%A9%EC%84%B1%EC%A0%80%ED%95%AD%EC%9D%84 %EC%BB%A8%EB%8D%95%ED%84%B4%EC%8A%A4%EB%A1%9C %EB%B3%80%ED%99%98%28%EC%88%98%EC%A0%95%EB%B3%B8%29" data-top="8792.7890625" title="저항 컨덕턴스 병렬 구조 44"> </a> </span><span id="SE-48d748d7-f2c9-11ed-a1c4-fb8ff4b8dc20" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-033654ac-f2c3-11ed-bd63-63c6bc1f152f" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d748d8-f2c9-11ed-a1c4-07d11cffe29f" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-033654ae-f2c3-11ed-bd63-5d135180379d" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d748d9-f2c9-11ed-a1c4-cd1a26208a54" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-033654b0-f2c3-11ed-bd63-7514aa961f6d" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d76fea-f2c9-11ed-a1c4-7fec06700a58" class="se-fs-fs13 se-ff-   ">​</span></p>
<p id="SE-033654b2-f2c3-11ed-bd63-6f5ea879f18c" class="se-text-paragraph se-text-paragraph-align- "><span id="SE-48d76feb-f2c9-11ed-a1c4-77312e90dba2" class="se-fs- se-ff-   "> </span></p>
<p id="SE-033654b4-f2c3-11ed-bd63-81783c760e30" class="se-text-paragraph se-text-paragraph-align- ">
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		<title>LED 회로 저항 계산 하는 방법 #1</title>
		<link>https://2days.kr/07/08/17/5955/it/electric/</link>
		
		<dc:creator><![CDATA[urjent]]></dc:creator>
		<pubDate>Mon, 07 Aug 2023 08:18:05 +0000</pubDate>
				<category><![CDATA[전기전자]]></category>
		<guid isPermaLink="false">https://2days.kr/?p=5955</guid>

					<description><![CDATA[LED 회로 저항 계산을 어떻게 하는 것일까? 오늘 설명하는 방법은 배터리 또는 기타 전원 공급 장치에 연결할 하나 이상의 LED 또는 LED 연결 회로에 대해서 직렬 구조 및 병렬 구조 상에서 적절한 저항 값을 구하는 방법에 대해서 알아 봅니다. LED 회로 저항 계산에 대한 이해 일반적인 LED 기호, 구조 및 리드 식별을 이해하고 넘어가보도록 하겠습니다. [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>LED 회로 저항 계산을 어떻게 하는 것일까?</p>
<p>오늘 설명하는 방법은 배터리 또는 기타 전원 공급 장치에 연결할 하나 이상의 LED 또는 LED 연결 회로에 대해서 직렬 구조 및 병렬 구조 상에서 적절한 저항 값을 구하는 방법에 대해서 알아 봅니다.</p>
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<h4 id="SE-0f4fa124-29aa-4af0-82f4-d097983ec4f9" class="se-text-paragraph se-text-paragraph-align-justify "><strong><span id="SE-763ff7f4-3f4f-4fae-9531-aa617754ac37" class="se-fs-fs16 se-ff-   ">LED 회로 저항 계산에 대한 이해</span></strong></h4>
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<p id="SE-a6c01659-5065-4ea7-bd45-278a5588a892" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-d14ae441-6479-4a6a-839d-4aefadec8086" class="se-fs-fs16 se-ff-   ">일반적인 LED 기호, 구조 및 리드 식별을 이해하고 넘어가보도록 하겠습니다.</span></p>
<p>LED는 + (Anode)와 &#8211; (Cathode) 극성이 있습니다. LED는 Lighting Emitted Diode 의 약자입니다.</p>
<figure id="attachment_5964" aria-describedby="caption-attachment-5964" style="width: 696px" class="wp-caption alignnone"><img post-id="5955" fifu-featured="1" decoding="async" class="wp-image-5964 size-large" style="font-family: Verdana, BlinkMacSystemFont, -apple-system, &#039;Segoe UI&#039;, Roboto, Oxygen, Ubuntu, Cantarell, &#039;Open Sans&#039;, &#039;Helvetica Neue&#039;, sans-serif;" src="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-1024x413.png" alt="LED 회로 저항 계산 하는 방법 #1" title="LED 회로 저항 계산 하는 방법 #1" width="696" height="281" title="LED 회로 저항 계산 하는 방법 #1 49" srcset="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-1024x413.png 1024w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-300x121.png 300w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-768x309.png 768w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-150x60.png 150w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-696x280.png 696w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-1068x432.png 1068w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58-1042x420.png 1042w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.29.58.png 1072w" sizes="(max-width: 696px) 100vw, 696px" /><figcaption id="caption-attachment-5964" class="wp-caption-text">LED 회로 저항 기본 개념</figcaption></figure><div class='code-block code-block-2' style='margin: 8px auto; text-align: center; display: block; clear: both;'>
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<p>먼저 저항을 계산하기<span style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">전에 간단한</span><span style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">이해를 하기 위해 아래와 같은 회로가 있다고 가정하겠습니다.</span></p>
<figure id="attachment_5963" aria-describedby="caption-attachment-5963" style="width: 708px" class="wp-caption alignnone"><img loading="lazy" decoding="async" class="wp-image-5963 size-full" src="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.08.png" alt="LED 회로 저항 예시" width="708" height="364" title="LED 회로 저항 계산 하는 방법 #1 50" srcset="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.08.png 708w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.08-300x154.png 300w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.08-150x77.png 150w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.08-696x358.png 696w" sizes="(max-width: 708px) 100vw, 708px" /><figcaption id="caption-attachment-5963" class="wp-caption-text">LED 회로 저항 예시</figcaption></figure>
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<p id="SE-b1c752fa-1c17-4d53-a5f8-5dbf578d3986" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-1ba56df3-4db4-4963-8ad5-edb916c8d028" class="se-fs-fs16 se-ff-   ">간단한 LED 연결 회로 예시입니다. 이 회로를 보면 건전지를 통해 LED 1구를 켜는데 얼마 정도의 저항이 필요한지 계산을 해보려고 합니다.</span></p>
<p id="SE-54ba6eef-551e-43f4-8d96-eee6eefbc420" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-76387a95-3da8-4607-93c8-b759a3e431a3" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-2fd8eb17-2f55-4186-b260-ede59d52de14" class="se-fs-fs16 se-ff-   ">공급 전압은 6V, LED 순방향 전압 (V </span><span id="SE-ea669be0-73ff-479d-982a-0914fd1af84a" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-b56e587f-c66b-4bca-b53a-659ac5c00163" class="se-fs-fs16 se-ff-   "> )은 1.3V, 순방향 전류 (I </span><span id="SE-22713ac4-6562-4d8e-ae61-7f068498100a" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-fe1c56ba-327b-47e9-a68b-082ca4bd30e1" class="se-fs-fs16 se-ff-   "> )는 10mA 입니다.</span></p>
<p id="SE-4756bead-530a-4f3a-a021-e928b085a5c7" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-0c47c4e1-fc55-4054-a055-2772d06a7e3c" class="se-fs-fs16 se-ff-   ">이 회로에서 필요한 저항 값 (LED 와 직렬로 연결된 저항)은 다음과 같이 구합니다.</span></p>
<p id="SE-d666c19a-8b68-4864-a3b6-a32a3533a0e7" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-3e040ce0-987d-4574-854e-98d359274256" class="se-fs-fs16 se-ff-   "><b>저항 값</b></span><span id="SE-722167ca-7354-468d-873d-bcad67a4122f" class="se-fs-fs16 se-ff-   "> = (V </span><span id="SE-f5784048-69c3-4786-baa4-089e8d660182" class="se-fs-fs16 se-ff-   "><sub>공급</sub></span><span id="SE-b81e7bea-85e6-4ce1-9ec7-26e1f1dae1b9" class="se-fs-fs16 se-ff-   "> – V </span><span id="SE-8e8165a3-a192-47f9-907b-ee7b700ad0ab" class="se-fs-fs16 se-ff-   "><sub>F)</sub></span><span id="SE-4e071590-6fd0-439c-93e8-7f0e28d88620" class="se-fs-fs16 se-ff-   "> / I </span><span id="SE-29a59d1f-e819-415b-9a3c-d73037b7ee8a" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-609e6eeb-92fb-4038-a86d-60f50358b1bf" class="se-fs-fs16 se-ff-   "> = (6 -1.3)V / 10mA = </span><span id="SE-33792bf2-5146-4f69-a845-87eeb28279d5" class="se-fs-fs16 se-ff-   "><b>470 Ω</b></span></p>
<p id="SE-b0f269b1-9a16-4b43-8363-6dd7068e6c4c" class="se-text-paragraph se-text-paragraph-align-justify "><code><mark><span id="SE-065a7f0a-dcb3-40bb-b556-efc501be94b6" class="se-fs-fs16 se-ff-   ">이 회로에 대한 저항기 전력 정격 공식</span></mark></code></p>
<p id="SE-9cf236a6-2b1c-4c6f-89ed-61f11cec71e1" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-f654cfa7-39de-4955-bd75-f4e41239d848" class="se-fs-fs16 se-ff-   ">저항기 정격 전력 = I </span><span id="SE-bb10c562-3695-47d8-a21a-5897d04afbca" class="se-fs-fs16 se-ff-   "><sub>F </sub></span><span id="SE-a19a6cbe-afcd-4b51-bf38-ef9ea7143b6a" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-2a0e6b97-3ee8-4451-a59c-c06dfa14f24b" class="se-fs-fs16 se-ff-   "> x 저항 값 = (10mA) </span><span id="SE-7fee9d31-6703-4403-94dd-ee9af7a4dbaa" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-5dfbcd98-8164-488c-98d5-a9488967fb58" class="se-fs-fs16 se-ff-   "> x 470 Ω = 0.047W = </span><span id="SE-97417e77-2e38-49f9-9b1f-7c184b985079" class="se-fs-fs16 se-ff-   "><b>47mW</b></span></code></p>
<p id="SE-282ccfd9-8fb4-473a-be19-55c3ee5168b0" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-60fa6371-9d55-46ba-b965-14bd5115f6e1" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-b0348529-3321-46f2-b83b-2d38767ed5ed" class="se-fs-fs16 se-ff-   ">그러나</span><span id="SE-856fa656-1189-40f6-893c-af5c124ffd7c" class="se-fs-fs16 se-ff-   "> 이것은 저항이 과열되지 않도록 하기 위해 필요한 최소 저항값 이므로 계산 한 저항의 정격 </span></p>
<p id="SE-31121c5b-f3ad-40b3-92aa-137074cbf619" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-19115bb3-48db-42a9-abd4-a342237bc149" class="se-fs-fs16 se-ff-   ">전력을 두 배로 합니다. 따라서 0.047W x 2 = 0.094W = 94mW 되는 저항을 선택하는 것이 좋습니다. </span></p>
<p id="SE-916a361f-6fac-4769-b638-4461d300758f" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-4e687680-6293-45d6-84b5-95a5d88552b2" class="se-fs-fs16 se-ff-   ">저항기 정격 전력(계산 값의 두 배로 합니다) = 0.094 W = (94mW)</span></p>
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<h4> <strong>LED 회로 저항 직렬 구조에서 저항 값</strong></h4>
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<p id="SE-fe5dad64-64a8-4804-8f48-3c5185dc40ba" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-026b84a7-0999-4371-85b2-52fddb479a71" class="se-fs-fs16 se-ff-   ">아래는 또 다른 간단한 LED가 직렬로 연결된 회로입니다. 6 개 LED를 직렬로 연결했습니다.</span></p>
<figure id="attachment_5961" aria-describedby="caption-attachment-5961" style="width: 762px" class="wp-caption alignnone"><img loading="lazy" decoding="async" class="wp-image-5961 size-full" src="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.21.png" alt="LED 회로 저항 병렬 구조" width="762" height="404" title="LED 회로 저항 계산 하는 방법 #1 52" srcset="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.21.png 762w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.21-300x159.png 300w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.21-150x80.png 150w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.21-696x369.png 696w" sizes="(max-width: 762px) 100vw, 762px" /><figcaption id="caption-attachment-5961" class="wp-caption-text">LED 회로 저항 병렬 구조</figcaption></figure>
<p class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-0bae4652-bb98-47f7-bd56-2b372269d022" class="se-fs-fs16 se-ff-   ">공급 전압은 18V 이며, LED 순방향 전압 ( V </span><span id="SE-8daadd72-f200-4235-bd63-44fffe28a7d4" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-037b6325-446d-40ba-9f31-d16352d05cbd" class="se-fs-fs16 se-ff-   "> )은 2V 및 순방향 전류( I </span><span id="SE-d512740c-33d6-411a-be22-f0a6e56353f5" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span class="se-fs-fs16 se-ff-   "> )은 20mA 입니다</span></p>
<p class="se-text-paragraph se-text-paragraph-align-justify "><a class="se-module-image-link __se_image_link __se_link" style="font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-84fc1deb-60d6-4a4a-8687-f458d5bf9b50&quot;, &quot;src&quot; : &quot;https://postfiles.pstatic.net/MjAyMDExMDlfMjUz/MDAxNjA0OTEwODQxODIw.fST-098Xqvit8jfWsQMzkTE8FHdwwrUR6KT38JP7lYMg.1njtnmFvCIKjwhRqqTjZ-1ZQkbFuM5UvDgExv65oWgIg.PNG.jsrhim516/image.png&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><span id="SE-dbad5b41-9a0f-47d9-a3d4-3e5ef534feb9" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;">저항 값 (LED는 직렬) = (V </span><span id="SE-a8de6b39-cb5b-4058-925c-73160abc8d5a" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"><sub>공급</sub></span><span id="SE-9091db44-1080-4905-a8a7-19a9459c4a03" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"> – (V </span><span id="SE-0947f0a4-bb94-4562-ada2-b38742c5418e" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"><sub>F</sub></span><span id="SE-e20505a5-b4fd-4eff-a065-0c2fccb5bb77" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"> x LED 개수)) / I </span><span id="SE-8343af37-e97d-4a55-990e-f1d9b34cc6f4" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"><sub>F</sub></span></a></p>
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<p id="SE-36924e7a-dfbc-407d-88f4-7242efd85df2" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-54011187-8555-40d6-8558-94e7405e8608" class="se-fs-fs16 se-ff-   ">여기서 6 개 LED의 총 순방향 전압 (V </span><span id="SE-ba0b9df0-4324-49a9-a346-ac2c64e7966f" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-c8d2bdd5-b1dc-4c81-ade7-3dd14b068a22" class="se-fs-fs16 se-ff-   "> ) = 2 x 6 = 12V</span></p>
<p id="SE-760f356a-05ba-4b84-aecb-e5824309fdd2" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-29684ae4-f101-4090-b1fe-3e511b4e535f" class="se-fs-fs16 se-ff-   ">순방향 전류 ( </span><span id="SE-c6193c70-a4d0-4fde-9cc4-65ec6df100f5" class="se-fs-fs16 se-ff-   "><sub>IF</sub></span><span id="SE-89faf84d-8ea9-4f76-9333-e3fb5d75aebe" class="se-fs-fs16 se-ff-   "> )는 직렬 이라서 동일합니다. (즉: 20mA)</span></p>
<p id="SE-cf894901-2553-4542-a358-144ede332f60" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-5a256362-cc0a-4ef5-ad6a-4e688bff30a0" class="se-fs-fs16 se-ff-   " style="background-color: #ffff00;">이제 저항 (직렬 회로의 경우) 값은 다음과 같습니다.</span></p>
<p id="SE-7aad0826-f487-4cd7-803d-f5de871a3d98" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-f726ef05-3ad2-4e30-8afe-de9919b6b76a" class="se-fs-fs16 se-ff-   ">= (V </span><span id="SE-e2624c80-be41-4292-b9c0-cc3e3da30218" class="se-fs-fs16 se-ff-   "><sub>공급</sub></span><span id="SE-5c62c3a1-c3e3-4efd-847e-d13746b7346f" class="se-fs-fs16 se-ff-   "> – (V </span><span id="SE-e1703ebb-56a2-4325-b908-5043d7f1c49f" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-cb5807fa-ea14-4449-8ba4-eb034dababfe" class="se-fs-fs16 se-ff-   "> x LED 개수)) / I </span><span id="SE-75f2be83-45a6-42b3-9b8d-d46e01ac5899" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-fe28369e-0e09-469d-bbb3-68a94cd80b1f" class="se-fs-fs16 se-ff-   "> = (18 – (2 x 6)) / 20mA</span></code></p>
<p id="SE-9e7fc0da-ca68-4e49-a3da-f9e2642206c6" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-9e9f0940-10ea-4477-8075-7d0676b7c92b" class="se-fs-fs16 se-ff-   ">= (18-12) / 20mA = </span><span id="SE-973244ae-32a2-47c3-a24c-16c5eb539b91" class="se-fs-fs16 se-ff-   "><b>300 Ω</b></span></code></p>
<p id="SE-fa6bb8f7-2362-404b-adbc-cfdcf9b74d9e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-a592dca4-64f4-40e0-8a12-6ee463c0ff21" class="se-fs-fs16 se-ff-   ">저항의 정격 전력은 = I </span><span id="SE-7216b180-a010-4dfb-ad67-183d3a97b5f7" class="se-fs-fs16 se-ff-   "><sub>F </sub></span><span id="SE-7fd8f53d-734f-4983-ae4b-538081898e85" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-0bcd298c-87b1-4a8d-a8c4-2ca5f467aa22" class="se-fs-fs16 se-ff-   "> x 저항 값 = (20mA) </span><span id="SE-ead3ecf6-720d-43b3-a1d2-c51b32f2a897" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-d245a74c-d383-45b2-b1f5-919fcb15d27e" class="se-fs-fs16 se-ff-   "> x 300 Ω = 0.12 = 120mW</span></p>
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<div class="se-module se-module-image"><a class="se-module-image-link __se_image_link __se_link" data-linktype="img" data-linkdata="{&quot;id&quot; : &quot;SE-84fc1deb-60d6-4a4a-8687-f458d5bf9b50&quot;, &quot;src&quot; : &quot;https://postfiles.pstatic.net/MjAyMDExMDlfMjUz/MDAxNjA0OTEwODQxODIw.fST-098Xqvit8jfWsQMzkTE8FHdwwrUR6KT38JP7lYMg.1njtnmFvCIKjwhRqqTjZ-1ZQkbFuM5UvDgExv65oWgIg.PNG.jsrhim516/image.png&quot;, &quot;linkUse&quot; : &quot;false&quot;, &quot;link&quot; : &quot;&quot;}"><img decoding="async" class="se-image-resource egjs-visible" src="https://postfiles.pstatic.net/MjAyMDExMDlfMjUz/MDAxNjA0OTEwODQxODIw.fST-098Xqvit8jfWsQMzkTE8FHdwwrUR6KT38JP7lYMg.1njtnmFvCIKjwhRqqTjZ-1ZQkbFuM5UvDgExv65oWgIg.PNG.jsrhim516/image.png?type=w773" alt="image" data-lazy-src="" data-width="367" data-height="191" title="LED 회로 저항 계산 하는 방법 #1 53"></a><span id="SE-d289041a-0a00-4138-8dd6-09487a25c90b" class="se-fs-fs16 se-ff-   " style="color: #222222; font-family: Verdana, BlinkMacSystemFont, -apple-system, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;"></span></div>
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<div id="SE-0afe0052-9261-4196-a048-ec083718cd52" class="se-component se-text se-l-default">
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<p id="SE-3b403f00-b45e-4607-abae-099939f28a06" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-21b3d00e-cd6b-4c10-a80a-d69da3cdd111" class="se-fs-fs16 se-ff-   ">그러나</span><span id="SE-ed84d670-fcf0-434d-98a6-e2a1cdc49fa7" class="se-fs-fs16 se-ff-   "> 이것은 저항이 과열되지 않도록 하기 위해 필요한 최소 저항 값이므로 계산 한 저항의 </span></p>
<p id="SE-8140d27a-3c22-4e71-aa2f-ccc4f66bca52" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-da73e497-f79b-40f1-8a27-1eef6ee2b6d6" class="se-fs-fs16 se-ff-   ">정격 전력을 두 배로 하여 0.12W x 2 = 0.24W = 240mW 저항을 선택하는 것이 좋습니다. </span></p>
<p id="SE-35278c17-d85c-4b75-b734-57c2889d1711" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-eb1b21e5-4ff7-4534-b15d-4b4c14531ee6" class="se-fs-fs16 se-ff-   ">저항 정격 전력 (계산 값의 두 배로 함) = 0.24 W = (240 mW)</span></p>
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<p id="SE-b41a3de2-b092-47e5-b601-d5f4cbc69738" class="se-text-paragraph se-text-paragraph-align-justify "><strong style="color: #111111; font-family: Roboto, sans-serif; font-size: 19px;">LED 회로 저항 병렬 구조에서 저항 값 (공통 저항)</strong></p>
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<p id="SE-72ca1cd9-c989-46f9-9d8b-8d45af528e6e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-11a39284-a5d2-4fd3-a74e-9297425a251c" class="se-fs-fs16 se-ff-   ">이 회로는 공통 저항에 LED 를 병렬로 연결했습니다.</span></p>
<figure id="attachment_5960" aria-describedby="caption-attachment-5960" style="width: 998px" class="wp-caption aligncenter"><img loading="lazy" decoding="async" class="wp-image-5960 size-full" src="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32.png" alt="LED 회로 저항 계산 병렬 구조" width="998" height="388" title="LED 회로 저항 계산 하는 방법 #1 54" srcset="https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32.png 998w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32-300x117.png 300w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32-768x299.png 768w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32-150x58.png 150w, https://2days.kr/wp-content/uploads/2023/08/스크린샷-2023-08-07-오후-3.30.32-696x271.png 696w" sizes="(max-width: 998px) 100vw, 998px" /><figcaption id="caption-attachment-5960" class="wp-caption-text">LED 회로 저항 계산 병렬 구조</figcaption></figure>
<p id="SE-07ab7df3-4ac8-4a4f-ae96-de76e654524b" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-56389c24-1e48-416e-b537-dedbd63b03d0" class="se-fs-fs16 se-ff-   ">공급 전압은 18V 이며, LED 의 순방향 전압 ( V </span><span id="SE-c3d86ab8-55f7-421c-9f18-0f9970e8c19a" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-22eeb29d-45db-4bc6-9b1b-d47b64777aff" class="se-fs-fs16 se-ff-   "> )은 2V 이고 순방향 전류( I </span><span id="SE-2b406e4b-a27b-4174-96a7-e7af2e5de878" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-df81c9d3-b40b-4434-b5fb-efca11a35d4b" class="se-fs-fs16 se-ff-   "> )는 각 각 20mA 입니다.</span></p>
<p id="SE-2c783a9c-d19a-4015-ac27-4ae6b587c0fd" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-74beb26a-bd9d-431a-b720-ecf2f67dea9c" class="se-fs-fs16 se-ff-   ">저항 값 (일반 저항과 병렬로 연결된 LED ) = (V </span><span id="SE-ffdcce51-139a-4551-970b-6657688d3059" class="se-fs-fs16 se-ff-   "><sub>공급</sub></span><span id="SE-86453573-4786-495e-a7e2-aa2343cc02c0" class="se-fs-fs16 se-ff-   "> – V </span><span id="SE-b3334653-bc34-4d43-a975-0ff028546ee3" class="se-fs-fs16 se-ff-   "><sub>F)</sub></span><span id="SE-2f64f00c-26bf-49fa-a763-7e171a1ea195" class="se-fs-fs16 se-ff-   "> / (I </span><span id="SE-058fbd90-c329-4ff6-b8cc-c8719bac6dde" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-957bae42-4eaf-4765-83b1-d92b522aab97" class="se-fs-fs16 se-ff-   "> x LED 개수)</span></p>
<p id="SE-4635db9f-f19c-4ea4-bd63-c5c9cbe7dc90" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-23d32927-21f8-4793-ac17-e271fdfe2d6d" class="se-fs-fs16 se-ff-   ">여기서 4 개 LED 의 총 순방향 전류 (I </span><span id="SE-ec153aeb-bf82-4ede-9527-df5332b8f300" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-60d87142-a3b1-4b39-bbbb-d17ec6ed711d" class="se-fs-fs16 se-ff-   "> ) = 20mA x 4 = 0.08A, 순방향 전압 (V </span><span id="SE-09d583b7-23ae-4f0f-bd13-5ccc1ed0d8d3" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-4aa91563-f7b8-46f6-b4ac-730ce0232283" class="se-fs-fs16 se-ff-   "> )은 동일합니다.</span><span id="SE-65cc2915-08c8-4009-ac29-94619065909a" class="se-fs-fs16 se-ff-   ">​</span></p>
<p id="SE-aa6ebcff-5ccb-48e0-80bb-fa25a31bf51b" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-ace1d14c-3979-43c3-aa0d-486cec9ea4b8" class="se-fs-fs16 se-ff-   ">(</span><span id="SE-fd364092-9cec-41c2-8871-a156ee0e47d7" class="se-fs-fs16 se-ff-   "><b>참고:</b></span><span id="SE-b25abdc7-46ec-4b89-835f-d07bf0c2acb5" class="se-fs-fs16 se-ff-   "> 이것은 병렬 회로이므로 전압은 병렬 회로이며 전류는 합산되고 각 지점에서 동일합니다).</span></p>
<p id="SE-dd2bca3c-a373-43ab-a82e-7cb6706230f9" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-9f8c5835-39e2-4e06-8e6b-beabf06a3670" class="se-fs-fs16 se-ff-   " style="background-color: #ffff00;">이제 공통 저항이 있는 병렬 회로의 저항 값은 다음과 같습니다.</span></p>
<p id="SE-8a6b5d2d-2880-4fff-9bab-882c5bedf72d" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-47307b86-39d9-411c-8964-55147006a907" class="se-fs-fs16 se-ff-   ">= (V </span><span id="SE-048d0865-04f6-49a9-8fcd-9458b2eb9d3e" class="se-fs-fs16 se-ff-   "><sub>공급</sub></span><span id="SE-5ccad7c3-0462-4203-bee2-c1d90fbee07e" class="se-fs-fs16 se-ff-   "> – V </span><span id="SE-a409ee54-3e11-4285-9200-91b7e6d602d4" class="se-fs-fs16 se-ff-   "><sub>F)</sub></span><span id="SE-4c5243e7-63df-48e8-9f80-79b7f109971d" class="se-fs-fs16 se-ff-   "> / (I </span><span id="SE-6b8241ba-d8ad-4448-9e6a-65614ff3ce87" class="se-fs-fs16 se-ff-   "><sub>F</sub></span><span id="SE-7b1b1e90-5823-40e7-a853-b487e349e822" class="se-fs-fs16 se-ff-   "> x LED 개수)</span></code></p>
<p id="SE-f1d3d6cb-8e59-4605-a390-4d865a7a382e" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-70687af5-19ac-4926-b9d4-a0ee329c3aed" class="se-fs-fs16 se-ff-   ">= (18 – 2) / 0.08</span></code></p>
<p id="SE-32433545-8f7f-496b-a20f-4cdd62e259a4" class="se-text-paragraph se-text-paragraph-align-justify "><code><span id="SE-51fc40b5-a9b4-47f7-b1b3-8c8f1f8f7e9c" class="se-fs-fs16 se-ff-   ">= </span><span id="SE-acb8a52f-ced7-4204-9b63-42892d3e2197" class="se-fs-fs16 se-ff-   "><b>200 Ω</b></span></code></p>
<p id="SE-acf5ae97-8d2d-4b34-b045-c6ff2fac1a26" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-f7f26f75-4fa0-4b82-b07e-f379722c4344" class="se-fs-fs16 se-ff-   ">총 전류 소모량 = 20mA x 4 = 80mA</span></p>
<p id="SE-10c80507-79d0-4cc6-b79a-853ad2f64a1f" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-d772f525-43f3-4bae-b474-5fc6593fff27" class="se-fs-fs16 se-ff-   ">(이것은 병렬 회로이므로 전류가 합산됩니다)</span></p>
<p id="SE-2ab75bb3-43dd-42b0-b4dc-13a478f8c799" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-aa8456db-ae14-4eba-ad3a-1613d5704f4b" class="se-fs-fs16 se-ff-   ">저항 전력 정격 = I </span><span id="SE-9c781ac3-df9b-4417-9f16-5d1e2bb142aa" class="se-fs-fs16 se-ff-   "><sub>F </sub></span><span id="SE-9ba1cc45-04f3-40b4-8f7a-4ba34c499eda" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-bbba00db-ac9d-4f5e-9603-214a9019b90a" class="se-fs-fs16 se-ff-   "> x 저항 값 = (20mA) </span><span id="SE-a15877ba-4645-4f4b-9ffa-c1e55a41b437" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-a0d4556d-43b6-4050-aabe-20b62e955103" class="se-fs-fs16 se-ff-   "> x 200 Ω = 0.08 W = 80mW</span></p>
<p id="SE-f98c4a56-9ffc-43f3-893c-525584f1ec56" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-4aad43e1-6074-45a9-8afd-29b1c841525e" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-0ad664ed-783a-4107-8831-3373d4d9c9e6" class="se-fs-fs16 se-ff-   ">그러나 </span><span id="SE-1d3bbaf1-e92d-4d6d-b1cc-792f6e2cb5b0" class="se-fs-fs16 se-ff-   ">이것은 저항이 과열되지 않도록 하기 위해 필요한 최소 저항 값이므로 계산 한 저항의 정격</span></p>
<p id="SE-e3e3148a-cc84-4ce1-92e8-b82de05734f2" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-65d985b4-043f-4e5b-98dc-12df38518b91" class="se-fs-fs16 se-ff-   ">전력을 두 배로 하면 이 회로에서는 1.28W x 2 = 2.56W 되는 저항을 선택하는 것이 좋습니다. </span></p>
<p id="SE-278ee317-8974-4179-9c05-09e9e6e74ce5" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-63e52c78-2e97-4558-a080-187c16bfcd6a" class="se-fs-fs16 se-ff-   ">저항 전력 정격 (계산 값의 두 배로 함) = 2.56W (280mW)</span></p>
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<p id="SE-b1bf31e9-776c-45bf-8476-7f332f3a8489" class="se-text-paragraph se-text-paragraph-align-justify "><strong style="color: #111111; font-family: Roboto, sans-serif; font-size: 19px;">LED 회로 저항 병렬 구조에서 저항 값 (개별 저항)</strong></p>
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<p id="SE-6196d92e-b805-408e-8a57-17207aa4cf32" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-f294c143-7698-4184-b7c8-cec836e57d42" class="se-fs-fs16 se-ff-   ">이제 저항기 (별도의 저항기가 있는 병렬 회로의 경우) 값은 다음과 같습니다.</span></p>
<p id="SE-a4db3b61-5bdd-4da6-9eaf-1d3cc378190b" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-6e39a533-c27c-47a5-b2db-21b479f8d9e7" class="se-fs-fs16 se-ff-   "><b>= (V </b></span><span id="SE-9b98c199-b015-443e-a8d0-0224c81eee49" class="se-fs-fs16 se-ff-   "><sub><b>공급</b></sub></span><span id="SE-f72e3e06-d0d5-4295-a4c2-d75e5a1e6b97" class="se-fs-fs16 se-ff-   "><b> – V </b></span><span id="SE-60476db6-18e5-4f2b-bef4-593e0c5391b4" class="se-fs-fs16 se-ff-   "><sub><b>F</b></sub></span><span id="SE-84e2600e-7f33-4c5b-95e8-6ad99c4fb8d5" class="se-fs-fs16 se-ff-   "><b> ) / I </b></span><span id="SE-a76e18a4-3010-44fb-8be0-aace973b7b60" class="se-fs-fs16 se-ff-   "><sub><b>F</b></sub></span><span id="SE-05d0d881-dbb2-406b-9b05-2a4afce63f25" class="se-fs-fs16 se-ff-   "><b> = (9 – 2) / 20mA = 350 Ω</b></span></p>
<p id="SE-73fad170-8d53-4ffe-be98-df171c444835" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-5bb25363-3b7e-476b-8daa-b829afcf0e7a" class="se-fs-fs16 se-ff-   ">총 전류 소비 = 20mA x 4 = 80mA (이것은 병렬 회로이므로 전류는 합산됩니다)</span></p>
<p id="SE-f771304c-e694-4433-ba0f-566f3f810ea3" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-e729e93f-6603-4852-aa0c-5fa3cd20ac94" class="se-fs-fs16 se-ff-   ">저항 전력 정격 = I </span><span id="SE-c139d08a-e8d9-42e8-82e7-be7f45278d17" class="se-fs-fs16 se-ff-   "><sub>F </sub></span><span id="SE-674514ba-d04f-4eda-a558-c2e64759b503" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-94eb6c0c-a6e4-4f82-84c9-c317f3cd1e81" class="se-fs-fs16 se-ff-   "> x 저항 값 = (20mA) </span><span id="SE-39ad91fb-dc27-4ae8-8c44-24b753ed4bf3" class="se-fs-fs16 se-ff-   "><sup>2</sup></span><span id="SE-6335d0af-ec83-4303-a38e-5680d5f4f439" class="se-fs-fs16 se-ff-   "> x 350 Ω = 0.14 = </span><span id="SE-f1851d9a-da70-4f9a-b27b-2363d3d40fed" class="se-fs-fs16 se-ff-   "><b>140mW</b></span></p>
<p id="SE-c234b1e2-c678-48d8-b525-0969a980909e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-e56f5064-19e4-4555-9ca4-91af18526590" class="se-fs-fs16 se-ff-   ">​</span><span id="SE-0d457ff8-244e-4be4-978a-087496d3e903" class="se-fs-fs16 se-ff-   ">그러나 </span><span id="SE-32908ead-c8e8-4c7c-9dde-fe07a049a2b7" class="se-fs-fs16 se-ff-   ">이것은 저항이 과열되지 않도록 하기 위해 필요한 최소 저항 값이므로 계산 한 저항의 정격 </span></p>
<p id="SE-4c2cdae3-7112-4e13-926e-3543c96fd976" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-1185dc9b-30aa-4fed-82cb-36124379d44c" class="se-fs-fs16 se-ff-   ">전력을 두 배로 하면 이 회로에 대해 0.14W x 2 = 0.28W = 280mW 저항을 선택하는 것이 좋습니다. </span></p>
<p id="SE-89e5da12-c5c7-44c8-84e1-7db251b63243" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-0c67fd94-4742-4091-a58c-e80cb6b0ca8b" class="se-fs-fs16 se-ff-   ">저항의 정격 전력 (계산 값의 두 배로 함) = 0.28W (280mW) </span></p>
<h3 id="SE-4faecb60-59d5-41ad-8f58-fcca92e57f33" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-ec918c23-dc22-4e5f-b89d-3b5f4f97582b" class="se-fs-fs16 se-ff-   ">​<strong style="color: #111111; font-family: Roboto, sans-serif; font-size: 19px;">LED 회로 저항 유의사항</strong></span></h3>
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<p>&nbsp;</p>
<p class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-f63b934b-e538-402f-8922-cdb77a6fde59" class="se-fs-fs16 se-ff-   "><b>또한 다음 사항에 유의하십시오</b></span><span id="SE-77f6d875-5b7c-4adc-87d7-8c9e3b5a7e8d" class="se-fs-fs16 se-ff-   "><b>.</b></span></p>
<p id="SE-697ca4b4-0bd4-43c5-b2e6-b8a104aa7b14" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-d99fde96-c5cb-400d-ae93-aff625d8d5d7" class="se-fs-fs16 se-ff-   ">▶계산 한 정격 전력 저항을 구한 다음 시판되는 저항기는 1/4 와트, 1/2 와트, 1 와트, 2 와트, 5 와트 종류가 있습니다. 이때 계산 값보다 높은 정격 전력 값을 선택하십시오. </span></p>
<p id="SE-87057819-369d-427c-baf0-1ef7d2f7ee5a" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-dba543c4-1799-4e05-a7e3-0114d8e1a10d" class="se-fs-fs16 se-ff-   ">예를 들어 저항기 정격 전력 값이 0.789W = 789mW로 계산 된 경우 1W 저항을 선택합니다.</span></p>
<p id="SE-184c2ad9-2a87-4689-bbee-2018e0d6456a" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-ee56424e-aa88-4227-88e8-962d9c312383" class="se-fs-fs16 se-ff-   ">​</span></p>
<p id="SE-cbc3ad92-f101-4366-9853-5a222afd7b81" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-4b8e8b19-434f-49f8-8d89-706fd15e0cbb" class="se-fs-fs16 se-ff-   ">▶일반적으로 저항기는 표준 값으로 생산되고 판매 됩니다. </span></p>
<p id="SE-afca457e-ffd9-4765-8e6f-c5fa8bf134ba" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-a6d0237a-790f-45ff-b87a-bf5036830cef" class="se-fs-fs16 se-ff-   ">계산 한 저항의 정확한 값을 찾을 수 없는 경우 먼저 계산 한 다음 저항 값을 선택합니다. </span></p>
<p id="SE-9ee67cfe-e678-4438-b1ca-128f7bad9c15" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-56870bd4-b839-426d-a115-e4c96b4ac329" class="se-fs-fs16 se-ff-   ">예를 들어 계산 된 값이 313.5Ω 이면 가장 가까운 표준 값을 사용합니다. 즉 330Ω입니다. </span></p>
<p id="SE-037afa0d-9a15-4504-8776-3948b3d8e715" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-464f8781-0f9c-434d-a173-2419ef891662" class="se-fs-fs16 se-ff-   ">가장 가까운 값이라도 충분히 가까 우지 않으면 저항을 직렬 병렬 구성으로 하여 필요한</span></p>
<p id="SE-2f2dc59e-b305-4738-b480-03c1bcb5d496" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-fe7f92e4-6d5d-4cd5-9b1e-60c2d0ce8899" class="se-fs-fs16 se-ff-   ">값을 만들 수 있습니다.</span></p>
<p id="SE-c87f5ad1-9ea5-4fc6-8bab-b7b689c09c42" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-a3685011-7b01-4d63-a38a-48e4ff0558c9" class="se-fs-fs16 se-ff-   "><b>▶I </b></span><span id="SE-cf2e36cb-1ff8-4f20-a104-83a59fd2c05f" class="se-fs-fs16 se-ff-   "><sub><b>F</b></sub></span><span id="SE-896bbce9-6c34-4978-a78d-2f6b0c86fe65" class="se-fs-fs16 se-ff-   "><b> = LED의 순방향 전류:</b></span><span id="SE-b22d7726-8c6f-4dfa-a703-5423c146434a" class="se-fs-fs16 se-ff-   "> LED가 지속적으로 흘릴 수 있는 최대 전류 량 입니다. </span></p>
<p id="SE-298f18a4-06c8-4f45-bcc9-6c2f29976e2f" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-8209982c-d6e9-45bc-9c19-19315f429da7" class="se-fs-fs16 se-ff-   ">긴 수명과 안정성을 위해 LED 순방향 정격 전류의 80 % 정도로 하는 것이 좋습니다. </span></p>
<p id="SE-8f5cf3a4-c46a-4a67-a62e-056e3afbd03e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-24185487-4064-4eab-9e0f-4d8e12671e0f" class="se-fs-fs16 se-ff-   ">예를 들어, LED의 정격 전류가 30mA이면 이 LED를 24mA에서 실행해야 합니다. </span></p>
<p id="SE-e26dda5a-8c2a-4bf8-99c1-6ba7ad10144c" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-8d7f78d0-ee22-4157-a0c0-7cb1915cb8aa" class="se-fs-fs16 se-ff-   ">이 양을 초과하는 전류 값은 LED 수명을 단축 시키거나 연기가 나고 타기 시작합니다.</span></p>
<p id="SE-9d9025a9-1eb9-4386-a5bc-8d50e392323a" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-8d69ab68-94da-48c2-8f58-4d40c0e3e21d" class="se-fs-fs16 se-ff-   ">▶LED 순방향 전류를 찾을 수 없는 경우 일반적인 경우 LED는 20mA에서 실행되기 때문에</span></p>
<p id="SE-151c568c-2785-442c-b924-42c9df8bf30e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-4313b4f5-4637-4d75-99a1-ef5b4288b646" class="se-fs-fs16 se-ff-   ">20mA로 가정하십시오.</span></p>
<p id="SE-fff20280-d737-4cca-bcbe-999c1dd72c93" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-8755d264-4a83-48fe-b2b4-43116eb83dbe" class="se-fs-fs16 se-ff-   "><b>▶V </b></span><span id="SE-134c05dc-3715-4f0e-85e0-4af1f135c44f" class="se-fs-fs16 se-ff-   "><sub><b>F</b></sub></span><span id="SE-681550bc-4a08-424d-b190-a14a2efa58c3" class="se-fs-fs16 se-ff-   "><b> = LED</b></span><span id="SE-46046928-3988-47c9-bceb-852383a12b22" class="se-fs-fs16 se-ff-   "> 의 순방향 전압: 이것은 </span><span id="SE-1397085f-38ce-4178-8aca-ff343fd7ebaf" class="se-fs-fs16 se-ff-   "><b>LED</b></span><span id="SE-7850a454-7097-4594-b540-aa39ea339015" class="se-fs-fs16 se-ff-   "> 의 순방향 전압, 즉 정격 순방향 전류를 공급할 때의 </span></p>
<p id="SE-e0441689-a017-4b54-a606-e56522270534" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-7a3fd63f-6909-4c40-b4d9-60f019622dc9" class="se-fs-fs16 se-ff-   ">전압 강하입니다. 이런 데이터 값은 LED의 데이터 값에서 찾을 수 있지만 타입, 색상 및 </span></p>
<p id="SE-128db2b7-2102-433f-b9fc-ee1e959429ee" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-fb998b81-036e-418b-ab59-7f4e61e6e7f0" class="se-fs-fs16 se-ff-   ">밝기에 따라 1.3V 에서 3.5V 사이입니다. </span></p>
<p id="SE-745d7f33-40de-46ac-92e3-03871cc5cc1e" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-25dc79b9-78b5-4c2e-a894-01a6b047b024" class="se-fs-fs16 se-ff-   ">그래도 순방향 전압을 찾을 수 없으면 6Vdc 일 때 LED를 저항 200Ω을 통해 연결하면 </span></p>
<p id="SE-412070a9-ffdf-40cc-98b2-4aa83fba7da0" class="se-text-paragraph se-text-paragraph-align-justify "><span id="SE-490e184f-34e1-44bb-9d0a-d8370bc8d101" class="se-fs-fs16 se-ff-   ">됩니다. 이제 LED의 전압을 확인 하십시오. 일반적으로 2V이고 이것이 순방향 전압입니다.</span></p>
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