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
    A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of          [AIEEE 2003]

    A)            Each of these increases

    B)                                      Each of these decreases

    C)            Copper strip increases and that of germanium decreases

    D)            Copper strip decreases and that of germanium increases

    Correct Answer: D

    Solution :

                 For conductors, resistance µ Temperature and for semi-conductor, resistance µ\[\frac{1}{\text{Temperature}}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner