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NEET AIPMT SOLVED PAPER 1999

  • question_answer
                    In p-type semiconductor, the major charge carriers are:                                                                               

    A)                 holes   

    B)                 electrons                            

    C)                 protons           

    D)                 neutrons

    Correct Answer: A

    Solution :

                    Semiconductors doped with acceptor atoms are called p-type semiconductors. The p stands for positive to imply that the holes introduced into the valence band, which behave like positive charge carriers, greatly out number the electrons in the conduction band. In p-type semiconductors, holes are the majority carriers and electrons are the minority carriers.


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