問題詳情
5. 1 度的電能可以使 1000 瓦特的燈泡發光多少時間?
(A)0.1 小時
(B)1 小時
(C)10 小時
(D)100 小時。
(A)0.1 小時
(B)1 小時
(C)10 小時
(D)100 小時。
參考答案
無參考答案
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