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NEET Physics Semiconducting Devices NEET PYQ-Semiconducting Devices

  • question_answer
    In p-type semiconductor, the major charge carriers are:                                                               [AIPMT 1999]

    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 outnumber 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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