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範例:惠司通電橋法

右圖中,電流計中無電流,則此電路在7分鐘通電時間內所生之熱量約為多少仟卡?(A)1.2 (B)1.5 (C)1.8 (D)2.0 (E)3.6。【83南一中】


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Posted in 電流電壓與電阻的測量.

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By admin – 2009 年 12 月 29 日

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