有一個交流電路的輸入電壓v(t)=156cos(377t -30°)V，輸入電流i(t)=10sin(377t + 30°)A，請問兩者之相位關係為何？(A) 電壓v (t)相角超前電流i(t

問題詳情

41. 有一個交流電路的輸入電壓v(t)=156cos(377t -30°)V，輸入電流i(t)=10sin(377t + 30°)A，請問兩者之相位關係為何？
(A) 電壓v (t)相角超前電流i(t)相角30o
(B) 電壓v (t)相角超前電流i(t)相角60o
(C) 電流i(t)相角超前電壓v (t)相角30o
(D) 電流i(t)相角超前電壓v (t)相角60o

參考答案

答案：A
難度：適中0.4
統計：A(2),B(0),C(1),D(1),E(0)

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