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RLC串联电路的电阻为5W，电感为0.2H，电容为150mF，接在一个100V，50Hz的电源上。则计算得整个电路的功率因数为（）。

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RLC串联电路的电阻为5W，电感为0.2H，电容为150mF，接在一个100V，50Hz的电源上。则计算得整个电路的功率因数为（）。

A.0.12

B.0.22

C.0.32

D.0.42

参考答案:

答案：0.12

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