問題詳情
17.變壓器一、二次電壓(V1，V2)及匝數(N1，N2)的關係為
(A)
(B)
(C)
(D)
。
(A)
(B)
(C)
(D)
。
參考答案
答案：D
難度：簡單0.84
統計：A(2),B(0),C(1),D(21),E(0)
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