JEE Main & Advanced Physics Semiconducting Devices Question Bank Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits

  • question_answer
    When a potential difference is applied across, the current passing through

    A)  an insulator at OK is maximum

    B)  a semiconductor at OK is zero

    C)  a metal at OK is finite

    D)  a P-N diode at 300K is zero, if it is neverse biased

    Correct Answer: B

    Solution :

    [b] At 0 K, the motion of electrons cease and so electric current becomes zero.


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