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7如圖所示電路,當通過任一個 3 歐姆(Ω)電阻的電流為 2 安培時,則電壓E可為下列何者? (A) 18 伏特(B) 24 伏特 (C) 30 伏特 (D) 36 伏特
問題詳情
7如圖所示電路,當通過任一個 3 歐姆(Ω)電阻的電流為 2 安培時,則電壓E可為下列何者?
(A) 18 伏特
(B) 24 伏特
(C) 30 伏特
(D) 36 伏特
參考答案
答案:C
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