複選題

61. 變壓器有 3 個繞組如下圖，變壓器的匝數比為 N1 :N2 :N3＝1:2:3，當輸入電壓 V1 (t)＝10sin(377t) V 時，變壓器二次側 V2 (t)與三次側 V3 (t)的電壓為61c1888e028eb.jpg
(A)V3 (t)＝-30sin(377t) V
(B)V2 (t)＝20sin(377t) V
(C)V2 (t)＝-20sin(377t) V
(D)V3 (t)＝30sin(377t) V。

答案：登入後查看
統計： A(2), B(2), C(1), D(0), E(0) #2834963