题目内容

晶闸管的阳极阴极之间的电阻

A. 无穷大
B. 0
C. 100欧
D. 1000欧

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晶闸管的主要参数有

晶闸管的门级到阴极之间的正向电阻是无穷大

A. 对
B. 错

如何用万用表测晶闸管好坏？

It takes ____________ to design and engineer a car, from the first sketches and until it hits the road.

A. a few months
B. a few years
C. a few days
D. a few hours