【判断题】【消耗次数：1】
二极管和三极管在数字电路中可工作在截止区、饱和区和放大区。
①
正确
②
错误
参考答案：
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下列是三极管各个极的电位，处于放大状态的三极管为
①
VB=0.7V VE=0V VC=0.3V
②
VB=-6.7V VE=-7.4V VC=-4V
③
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