問題詳情
751 頻率為60Hz之6極感應電動機如轉差率為0.05時，其轉速為
(A)1140
(B)1200
(C)1500
(D)1800 rpm。
(A)1140
(B)1200
(C)1500
(D)1800 rpm。
參考答案
答案：A
難度：適中0.444444
統計：A(4),B(0),C(1),D(4),E(0)
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