問題詳情
(五)在額定電壓且相同轉矩情況下，若每相轉子電阻為 0.5 Ω，欲使轉速下降至1692 rpm，則應在轉子電路上外加多少電阻？
參考答案
答案：D
難度：非常簡單1
統計：A(0),B(0),C(0),D(71),E(0)
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