Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2006

  • question_answer
    Wire P and Q have the same resistance at ordinary (room) temperature. When heated, resistance of? increases and that of Q decreases. We conclude that

    A)  P and Q are conductors of different materials.

    B)  P is n-type semiconductor and Q is p-type semiconductor

    C)  P is semiconductor and Q is conductor

    D)  P is conductor and Q is semiconductor

    Correct Answer: D

    Solution :

    The resistance of a conductor increases and the resistance of a semiconductor decreases with increase in temperature. Therefore, wire P is conductor and wires Q is semiconductor.


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