首页/ 题库 / [单选题]图3为单相桥式整流滤波电路,u的答案

图3为单相桥式整流滤波电路,ui为正弦电压,其有效值为Ui=20V,f=50Hz。若实际测得其输出电压为28.28V,这是由于( )的结果。
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单选题
2022-04-02 03:13
A、C开路
B、C的容量过小
C、C的容量过大
D、R<sub>L</sub>开路
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正确答案
D

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