JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors Question Bank Heating Effect of Current

  • question_answer An electric heater kept in vacuum is heated continuously by passing electric current. Its temperature [MP PET 1993]

    A)            Will go on rising with time

    B)            Will stop after sometime as it will loose heat to the surroundings by conduction

    C)            Will rise for sometime and there after will start falling

    D)            Will become constant after sometime because of loss of heat due to radiation

    Correct Answer: D

    Solution :

               After some time, thermal equilibrium will reach.

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