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36 有一交流電路之電壓 v(t)=100 sin(377t+60°) V、電流 i(t)=10 sin(377t-30°) A,則其平均功率為何?(A)0 瓦 (B)500瓦 (C)866瓦 (D)
問題詳情
36 有一交流電路之電壓 v(t)=100 sin(377t+60°) V、電流 i(t)=10 sin(377t-30°) A,則其平均功率為何?
(A)0 瓦
(B) 500瓦
(C) 866瓦
(D) 1000瓦
參考答案
答案:A
難度:簡單0.708197
統計:A(216),B(49),C(17),D(23),E(0)
用户評論
【
Curry
】評論
選項應該是這樣,選項亂掉了
【
路人甲
】評論
60 + 30= 90度 ,阻抗已知是電感抗→無實功率
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