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�떎�뿕 �삁鍮� 蹂닿퀬�꽌
6-3. Ohm�쓽 踰뺤튃
1. �씠 �떎�뿕�쓽 紐⑹쟻��� 臾댁뾿�씤媛�
����빆�뱾�씠 吏곷젹 諛� 蹂묐젹濡� �뿰寃곕맂 �쉶濡쒖뿉�꽌 �쟾�븬, �쟾瑜섎�� 痢≪젙�븯�뿬 Ohm�쓽 踰뺤튃�쓣 �솗�씤�븯 硫�, 媛� �쉶濡쒖뿉�꽌�쓽 �벑媛�����빆�쓣 �떎�뿕�쟻�쑝濡� 痢≪젙�븯怨� �씠瑜� �룓�쉶濡� �젙由ъ뿉 �쓽�븳 �씠濡좎쟻 寃곌낵��� 鍮꾧탳�븳�떎.
2. 痢≪젙移섏쓽 怨꾩궛�뿉 �씠�슜�릺�뒗 愿�怨꾩떇�뱾�쓣 湲곕낯 �씠濡좎뿉�꽌 李얠븘 媛곴컖�쓽 臾쇰━�쟻 �쓽誘몃�� �꽕紐낇븯�떆�삤.
3. 蹂� �떎�뿕�쓽 �닔�뻾 怨쇱젙�쓣 釉붾줉 �떎�씠�븘洹몃옩(block diagram)�쑝濡� �옉�꽦�븯�떆�삤.
(1) Ohm�쓽 踰뺤튃�쓣 �솗�씤�븯怨� 媛곴컖�쓽 ����빆 R1, R2, R3�쓽 媛믪쓣 痢≪젙�븯湲� �쐞�빐,
癒쇱�� 洹몃┝1怨� 媛숈씠 ����빆 R1怨� 吏곷쪟�쟾�썝�쑝濡� 援ъ꽦�맂 �떒�씪 �룓�쉶濡쒕�� 援ъ꽦�븳�떎.
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(2) 媛�蹂��쟾�썝 �뒪�쐵移섎�� 耳쒓퀬 �쟾�븬怨꾩쓽 �늿湲덉쓣 蹂댁븘媛�硫댁꽌 �쟾�썝�쓽 議곗젅�넀�옟�씠瑜� 議곗젙�븯�뿬 �뿬�윭 踰덉븬(�삁瑜� �뱾�뼱 2V, 2.5V, 3V, 3.5V, 4V �벑)�뿉 �뵲�씪 �쉶濡쒖뿉 �쓲瑜대뒗 �쟾瑜섎�� �쟾瑜섍퀎濡� 痢≪젙�븯�뿬 �몴�뿉 湲곕줉�븳�떎.
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(3) R2��� R3�뿉 ����빐�꽌�룄 (1), (2)�쓽 怨쇱젙�쓣 諛섎났�븳�떎.
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(4) �몴濡쒕���꽣 V��� I媛� 吏곸쟾�꽍�씤吏�, 利� Ohm�쓽 踰뺤튃�씠 �꽦由쏀븯�뒗吏� �솗�씤�븯怨� �떇 V=RI瑜� �씠�슜�빐 ����빆 R1, R2, R3�쓽 �룊洹좉컪�쓣 怨꾩궛�븳�떎.
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(5) R1, R2, R3媛� 吏곷젹濡� �뿰寃곕릺�뿀�쓣 �븣�쓽 �벑媛�����빆�쓣 援ы븯湲� �쐞�븯�뿬 洹몃┝ 2��� 媛숈�� �쉶濡쒕�� 援ъ꽦�븳�떎.
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(6) �쟾�썝�쓽 媛믪쓣 蹂��솕�떆耳쒓��硫댁꽌(1~6V �젙�룄) a, b�쓽 �뼇�떒媛꾩쓽 �쟾�븬怨� �쉶濡쒖뿉 �쓲瑜대뒗 �쟾瑜� I瑜� 痢≪젙�븯�뿬 �몴�뿉 湲곕줉�븳�떎.
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(7) R1, R2, R3媛� 蹂묐젹濡� �뿰寃곕릺�뿀�쓣 �븣�쓽 �벑媛�����빆�쓣
援ы븯湲� �쐞�빐 洹몃┝ 3怨� 媛숈�� �쉶濡쒕�� 援ъ꽦�븳�떎.
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(8) �쟾�썝�쓽 媛믪쓣 蹂��솕�떆耳쒓��硫댁꽌(0.5~2.5V �젙�룄)�쉶濡쒖뿉 �쓲瑜대뒗
�쟾���(�깮�왂)
(9) (1)~(4)�쓽 怨쇱젙�쓣 嫄곗퀜 �뼸��� R1, R2, R3 媛믪쑝濡쒕���꽣 �떇 I=�뿉 �쓽�빐 怨꾩궛�맂 吏곷젹�쉶濡쒖쓽 �벑媛�����빆媛믨낵 (5)~(6)�쓽 怨쇱젙�뿉 �쓽�븯�뿬 �뼸��� �떎�뿕移섎�� 鍮꾧탳�븳�떎.
(10) �떇 -I2R2+琯=0�뿉 �쓽�븯�뿬 怨꾩궛�맂 蹂묐젹�쉶濡쒖쓽 �벑媛�����빆媛믨낵 (7)~(8)�쓽 怨쇱젙�뿉�꽌 �뼸��� �떎�뿕移섎�� 鍮꾧탳�븳�떎.
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