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47.某一電路,已知電阻 R=4 歐姆,電容電抗 =4 歐姆,電感電抗 =1 歐姆連接成一串聯電路,今通以 110 伏特交流電壓做串聯電路實驗時,則此電路之功率因數大小及特性為何?(A) 0.8 滯後
問題詳情
47.某一電路,已知電阻 R=4 歐姆,電容電抗
=4 歐姆,電感電抗
=1 歐姆連接成一串聯電路,今通以 110 伏特交流電壓做串聯電路實驗時,則此電路之功率因數大小及特性為何?
(A) 0.8 滯後
(B) 0.8 越前
(C) 0.5 滯後
(D) 0.5 越前
參考答案
答案:
[無官方正解]
難度:
計算中
-1
書單:
沒有書單,新增
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