問題詳情
70. 下列對於電流的敘述，哪些為正確？
(A)與電子流的流向相反
(B)單位時間內通過導體之瓦特數
(C)單位為安培
(D)電流流動的速率近於光速。
(A)與電子流的流向相反
(B)單位時間內通過導體之瓦特數
(C)單位為安培
(D)電流流動的速率近於光速。
參考答案
無參考答案
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