JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Electric Conduction Ohms and Resistance

  • question_answer
    The relaxation time in conductors                         [DPMT 2003]

    A)                    Increases with the increase of temperature

    B)                    Decreases with the increase of temperature

    C)                    It does not depend on temperature

    D)                    All of sudden changes at 400 K

    Correct Answer: B

    Solution :

                 Because as temperature increases, the resistivity increases and hence the relaxation time decreases for conductors \[\left( \tau \propto \frac{1}{\rho } \right).\]


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