問題詳情
21. 已知 RLC 串聯交流電路的 R、L、C 電壓分別為VR= 80V 、VL= 60V 、VC = 120V ，且流過R 的電流為10 ∠0 °A ，則此電路的視在功率為何？
(A) 2600VA
(B) 1400VA
(C) 1000VA
(D) 800VA
(A) 2600VA
(B) 1400VA
(C) 1000VA
(D) 800VA
參考答案
答案：C
難度：適中0.692308
統計：A(6),B(4),C(81),D(14),E(0)
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