【单选题】【消耗次数:1】
P型半导体是在本征半导体中加入( )后形成的杂质半导体。
空穴
三价元素
五价元素
参考答案:
复制
纠错
相关题目
【判断题】 在本征半导体中加入三价元素可形成P型半导体。
①  正确
②  错误
【判断题】 在本征半导体中加入五价元素可形成N型半导体。
①  正确
②  错误
【单选题】 N型半导体是在本征半导体中加入( )后形成的杂质半导体。
①  空穴
②  三价元素
③  五价元素
【判断题】 在本征半导体中掺入少量+3价元素即得P型半导体。
①  正确
②  错误
【单选题】 纯净、不含杂质的单晶体结构的半导体,叫本征半导体。
① 
② 
【判断题】 P型半导体带正电,N型半导体带负电。
①  正确
②  错误
【判断题】 P型半导体的多数载流子是空穴,因此P型半导体带正电。
①  正确
②  错误
【判断题】 在纯净的半导体中掺入杂质后,不能控制半导体的导电特性。
①  正确
②  错误
【判断题】 P型半导体中的多数载流子是空穴。
①  正确
②  错误
【判断题】 纯净的半导体称为本征半导体,它的导电能力很差。
①  正确
②  错误
随机题目
【单选题】 Encouraging the elderly people to participate games is very important.
①  at
②  in
③  with
④  for
【单选题】 He asked me ___________ Zhang Hua came to school or not.
①  whether
②  if
③  .what
【单选题】 Tom won the first prize of oral English contest, which is beyond his ______.
①  reputation
②  contribution
③  expectation
【单选题】 It is said that ______ 2000 factories closed down during the economic crisis.
①  properly
②  approximately
③  . considerably
【单选题】 Wecan’tgeteverything ,so we need others to help.
①  done
②  do
③  doing
④  did
【单选题】 —How do you feel about your family life? — .
①  Good. It’s a good choice to work there.
②  Not bad. I think it is a good choice to be a full-time mother.
③  Not bad. I have visited their family a lot of times.
【单选题】 —Linda, what’s wrong with your grandmother?— .
①  She is not retired
②  She hurt her leg.
③  She got a new house.
④  she is tired.
【单选题】 Due to the increasing aging population in China, demand the caregivers will continue to rise.
①  with
②  of
③  for
④  and
【单选题】 Young people ______ 62% of University teaching staff.
①  comprise
②  compose
③  contain
【单选题】 —Our son has picked up some bad habits recently, and I am really worried about it.— .
①  Yes, they have some bad habits.
②  Cheer up. I believe he will overcome it.
③  Well, he like drawing.