JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    The temperature coefficient of resistance of a semiconductor  [AFMC 1998, MNR 1998]

    A)            Is always positive               

    B)            Is always negative

    C)            Is zero

    D)            May be positive or negative or zero

    Correct Answer: B

    Solution :

               The temperature co-efficient of resistance of a semiconductor is always negative.


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