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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
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
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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