問題詳情
14. For a two-winding coupling device in an AC circuit, choose a false statement.
(A)stored energy in the coupling device is zero
(B)coupling coefficient is less than 1
(C)induced voltage is determined by the mutual inductance
(D)transformer is a magnetic coupling device
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增