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

  • question_answer A battery of e.m.f. 10 V and internal resistance 0.5 ohm is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by [BHU 1998; JIPMER 2001, 02; CBSE PMT 2001]

    A)            2.0 ohm                                  

    B)            0.25 ohm

    C)            1.0 ohm                                  

    D)            0.5 ohm

    Correct Answer: D

    Solution :

               For maximum power r = R


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