若在直流电路中硅二极管导通，则其导通电压均可认为0.7V。
查看答案
二极管交流等效电路参数与其静态参数无关。
A. 对
B. 错
二极管存在最高工作频率是因为PN结有电容效应。
A. 对
B. 错
when you meet someone for the first time, you can say( )
A. It's nice to meet you
B. I'm glad to see you again
C. It's pleased to see you
D. I'm good to meet you
How's it going?
A. I'm doing good
B. It's going well
C. It's ok
D. not much
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