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43.( )如圖所示的電路圖,每個燈泡及電池皆相同,若圖中ad間的電壓為4.5V,請問下列何者正確? (A)bc間的電壓為1.5V (B)ef間的電壓為1.5V (C)eg間的電壓為4.5V (D)
問題詳情
43.( )如圖所示的電路圖,每個燈泡及電池皆相同,若圖中ad間的電壓為4.5V,請問下列何者正確?
(A)bc間的電壓為1.5V
(B)ef間的電壓為1.5V
(C)eg間的電壓為4.5V
(D)bd間的電壓為3V。
參考答案
上一篇 :
42.( )水位、水流與電位、電流有許多相似之處,故常被拿來互作比喻,試問在下列比喻中,有哪些是合理的?甲.水流相當於電流;乙.水管相當於導線;丙.抽水機相當於電池;丁.水流量相當於電量。 (A)甲
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