BHU PMT BHU PMT (Screening) Solved Paper-2010

  • question_answer
    Choose the correct statement.

    A)  When we heat a semiconductor its resistance increases

    B)  When we heat a semiconductor its resistance decreases

    C)  When we cool a semiconductor to 0 K then it becomes superconductor

    D)  Resistance of a semiconductor is independent of temperature

    Correct Answer: B

    Solution :

                     With rise in temperature, conductivity of semiconductor increases while resistance decreases.


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