16.變壓器若為220/110V，則高壓繞組之等值電阻約為低壓繞組之等值電阻的幾倍？(A) 2(B) l/2(C) 4(D) 1/4

問題詳情

16.變壓器若為220/110V，則高壓繞組之等值電阻約為低壓繞組之等值電阻的幾倍？
(A) 2
(B) l/2
(C) 4
(D) 1/4

參考答案

答案：C
難度：困難0.243243
統計：A(12),B(8),C(9),D(8),E(0)

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