【判断题】【消耗次数:1】
对于增强型MOS管,当栅源电压等于零时,无导电沟道存在。
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 对于耗尽型MOS管,当栅源电压等于零时,有导电沟道存在。
①  正确
②  错误
【判断题】 结型场效应管利用栅源极间所加的反向电压来改变导电沟道宽度。()
①  正确
②  错误
【判断题】 P沟道耗尽型MOS管的外加电压VGS的极性可正可负。()
①  正确
②  错误
【单选题】 压应力等于零时,岩石抵抗剪断强度称为岩石的( )。
①  抗剪断强度
②  抗拉强度
③  抗切强度
④  抗剪强度
【判断题】 结型场效应管外加的栅-源电压应使栅-源间的耗尽层承受反向电压,才能保证其大的特点。()
①  正确
②  错误
【判断题】 正偏差变量大于等于零,负偏差变量小于等于零。()
①  正确
②  错误
【判断题】 由于三极管存在死区电压,在OCL电路中,工作于乙类时,输入信号在过零时,将产生失真,称为交越失真。
①  正确
②  错误
【判断题】 场效应管利用栅源之间电压的电场效应来控制漏极电流。
①  正确
②  错误
【单选题】 投资在整个寿命周期内各年净现金流量现值累计之和等于零时的折现率是指( )
①  回收期
②  净收益
③  净现值
④  内部收益率
【判断题】 不共线的两杆的结点,当无荷载作用时,则该两杆的内力都等于零。
①  正确
②  错误
随机题目
【单选题】 The students expected there ____ more reviewing classes before the final exams.
①  is
②  being
③  have been
④  to be
【单选题】 You should have your eyes tested every year in case the ____of your spectacles need changing.
①  lenses
②  glasses
③  sights
④  crystals
【单选题】 As the train will not leave until one hour later, we ____ grab a bite at the snack bar.
①  may well
②  just as well
③  might as well
④  as well
【单选题】 ____ money, she is quite rich. However, this does not mean that she is happy.
①  Concerning
②  As to
③  In terms of
④  In the light of
【单选题】 She always put her medication on the top of the shelf lest the children ____ it by mistake.
①  took
②  should take
③  had taken
④  would take
【单选题】 Evidence came up ____ specific sounds are recognized by babies as young as six months old.
①  what
②  that
③  which
④  whose
【单选题】 There will be a new building here next year, _____ ?
①  will it
②  will there
③  be there
④  won’ t there
【单选题】 This house will probably come on the ____ next month.
①  fair
②  market
③  shop
④  store
【单选题】 I’m sure your suggestion will ____ the problem.
①  contribute to solving
②  be contributed to solve
③  contribute to solve
④  be contributed to solving
【单选题】 ____ before, his first performance for the amateur dramatic group was a success.
①  Though having never acted
②  As he had never acted
③  Despite he had never acted
④  In spite of his never having acted