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1.有三相感應電動機其額定為 6 馬力 220 伏特,今取用 6 安培電流,功率因數 0.8,用二瓦特計法測其功率,瓦特計讀數比值 ,則W1讀數為 (A)522 (B)682 (C)702(D)786
問題詳情
1.有三相感應電動機其額定為 6 馬力 220 伏特,今取用 6 安培電流,功率因數 0.8,用二瓦特計法測其功率,瓦特計讀數比值
,則W1讀數為
(A)522
(B)682
(C)702
(D)786。
參考答案
答案:A
難度:非常困難0
統計:A(0),B(3),C(0),D(0),E(0)
用户評論
【用戶】
蔡亞哲
【年級】大三上
【評論內容】
【用戶】
蔡亞哲
【年級】大三上
【評論內容】
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