题目内容
晶闸管导通的条件是()。
2021-01-27
A.阳极加正向电压,门极有正向脉冲
B.阳极加正向电压,门极有负向脉冲
C.阳极加反向电压,门极有正向脉冲
D.阳极加反向电压,门极有负向脉冲
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