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  3. Chhattisgarh PMT

Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    To obtain electrons as majority charge carries in a semiconductor, the impurity mixed is

    A)  monovalent                     

    B)  divalent

    C)  trivalent                             

    D)  pentavalent

    Correct Answer: D

    Solution :

    In a n-type semiconductor, electrons behave as majority charge carriers whereas holes reacts as minority charge carriers. It is doped with pentavalent impurity such as \[Sb,\] \[As,\]\[P,\]\[Bi\].


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