Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    The potential barrier in the depletion layer is because of

    A)  electrons           

    B)  ions

    C)  holes                                   

    D)  both (a) and (c)

    Correct Answer: D

    Solution :

    As the recombination of free and mobile electron and holes produce narrow region at junction known as depletion layer, this region is devoid of free and mobile charge carriers.


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