JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    In case of a semiconductor, which of the following statement is wrong                                                 [Pb. PMT 1999]

    A)            Doping increases conductivity

    B)            Temperature coefficient of resistance is negative

    C)            Resisitivity is in between that of a conductor and insulator

    D)            At absolute zero temperature, it behaves like a conductor

    Correct Answer: D

    Solution :

               At absolute zero temperature, semiconductor.


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