21. 有一 RLC 串聯電路，R = 90 Ω，L = 32 mH，C = 5 μF，串聯於Vs=750cos(5000t+30°)電壓源兩端，請問該電路之電流 is 為何？(A) 5cos(500

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21. 有一 RLC 串聯電路，R = 90 Ω，L = 32 mH，C = 5 μF，串聯於Vs=750cos(5000t+30°)電壓源兩端，請問該電路之電流 is 為何？
(A) 5cos(5000t-30° ) A
(B) 5cos(5000t+53.07° )A
(C) 5cos(5000t+ 30° )A
(D) 5cos(5000t-23.13°) A

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

上一篇 : Questions 98 through 100 refer to the following speech and table.【題組】98.Look at the orientation sche
下一篇 : 22. 如右圖所示之電路圖，請問a、b之間的戴維寧等效電壓(Vth)及阻抗(Zth)分別為何？ (A) Vth = 10∠45°V、Zth = 5 - j5 Ω(B) Vth = 10∠-45°V、Z

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