【判断题】【消耗次数:1】
为了稳定三极管放大电路静态工作点,采用交流负反馈。
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错误
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相关题目
【判断题】 为了稳定三极管放大电路的静态工作点,采用串联负反馈。
①  正确
②  错误
【判断题】 为了稳定三极管放大电路交流输出电压,采用电压负反馈。
①  正确
②  错误
【判断题】 为了稳定三极管放大电路的交流输出电流采用电压并联负反馈。
①  正确
②  错误
【判断题】 为了提高三极管放大电路输入电阻采用串联负反馈。
①  正确
②  错误
【单选题】 三极管放大电路中,直流通路主要用来确定电路的( )。
①  波形失真
②  静态工作点
③  输出电压
④  放大倍数
【单选题】 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  VB=-3V VE=0V VC=6V
【单选题】 对三极管放大作用的实质,下面说法正确的是
①  三极管可以把小能量放大成大能量
②  三极管可以把小电流放大成大电流
③  三极管可以把小电压放大成大电压
④  三极管可用较小的电流控制较大的电流
【判断题】 三极管放大电路共有三种组态共射极、共集电极、共基集放大电路。
①  正确
②  错误
【单选题】 三极管作放大管时一般工作在( )。
①  放大区
②  截止区
③  饱和区
【判断题】 三极管放大电路共有三种组态分别是共射极、共集电极和共基极放大电路。
①  正确
②  错误
随机题目
【单选题】 He didn’t pass the final examination. He ______ it.
①  must have prepared for
②  ought to prepare
③  ought to have prepared for
④  ought to prepare to
【单选题】 Andy, ____________ ?Oh, that’s my father! And beside him, my mother.
①  What is the person over there
②  Who’s talking over there
③  What are they doing
④  Which is that
【单选题】 Davids mother was unstable and _______ .
①  windy
②  moody
③  speedy
④  handy
【单选题】 The planes have to _______ strict safety checks.
①  encounter
②  undergo
③  evaluate
④  wonder
【单选题】 _______ Tom ________ Mary can help me, for they are very busy.
①  Either;or
②  Neither;nor
③  Both;and
④  whether;or
【单选题】 it has been revealed that some government leaders _____ their authority and position to getillegal profits for themselves.
①  employ
②  take
③  abuse
④  overlook
【单选题】 In the wife’s eyes, his _____ to their marriage life is far from perfect.
①  requirement
②  commitment
③  participation
④  reflection
【单选题】 I think the private ownership of guns is a _______mistake.
①  wonderful
②  great
③  tragic
④  romantic
【单选题】 America has a lot of _______ weapons now.
①  aggressive
②  expensive
③  passive
④  expressive
【单选题】 My grandfather had suffered from cancer for two years. It was no surprise when I was told that he had _____.
①  passed off
②  passed away
③  passed by
④  passed over