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131. 有一具 100 伏、200 瓦之單相感應電動機,若在滿載時之效率為 55%,而功率因數為 60%,則該機之滿載電流約為 (A)2 安培 (B)3 安培 (C)4 安培(D)6 安培 。
問題詳情
131. 有一具 100 伏、200 瓦之單相感應電動機,若在滿載時之效率為 55%,而功率因數為 60%,則該機之滿載電流約為
(A)2 安培
(B)3 安培
(C)4 安培
(D)6 安培 。
參考答案
答案:D
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
130. 某三相線路,其線電壓為 11.4kV,負載為 568kW,而功率因數為 0.8,則其線電流約為 (A)20 安培 (B)24 安培 (C)30 安培 (D)36 安培 。
下一篇 :
132. 有一線圈,已知其電阻為 12 歐姆,而阻抗為 17 歐姆,則其電抗為 (A)5歐姆 (B)9 歐姆 (C)12 歐姆 (D)15 歐姆 。
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