問題詳情
26 某一直流電壓源的內電阻為5歐姆（Ω），當其輸出的端電壓為100伏特（V）而電流為2安培（A）時，試求電壓源在此操作條件下的功率損失為多少瓦特（W）？
(A)100
(B)50
(C)20
(D)5
(A)100
(B)50
(C)20
(D)5
參考答案
答案：C
難度：非常簡單0.905882
統計：A(11),B(3),C(154),D(2),E(0)
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