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
無參考答案
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