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【单选题】
在单相桥式整流电容滤波电路中,若其中一个二极管接反,则( );若其中一个二极管脱焊,则( ) 。A.
变压器有半被短路，会引起元器件损坏
B.
变为半波整流
C.
电容C将过压击穿
D.
稳压而损坏
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