問題詳情
二、如圖二所示之它激直流馬達，其運轉於 1000 rpm 下之旋轉損失為 500 W：
⑴求此馬達之效率。（5 分）
⑴求此馬達之效率。（5 分）
參考答案
答案：B
難度：簡單0.843659
統計：A(473),B(2601),C(7),D(2),E(0) #
個人：尚未作答書單：憲法增修條文第二條、憲法增修條文第2條、立法院對行政院長的不信任案
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