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4. 若某一直流電壓源的內部產生電動勢大小為 120 伏特(V),內電阻為 6 歐姆(Ω),試求出在此電壓源輸出端所能夠輸出的最大電功率為多少瓦特(W)?(A) 1200 瓦特 (B) 720 瓦特
問題詳情
4. 若某一直流電壓源的內部產生電動勢大小為 120 伏特(V),內電阻為 6 歐姆(Ω),試求出在此電壓源輸出端所能夠輸出的最大電功率為多少瓦特(W)?
(A) 1200 瓦特
(B) 720 瓦特
(C)600 瓦特
(D) 300 瓦特
參考答案
答案:C
難度:適中0.692308
統計:A(10),B(6),C(54),D(1),E(0)
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