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

  • question_answer (1) The product of a volt and a coulomb is a joule.            (2) The product of a volt and an ampere is a joule/second.            (3) The product of volt and watt is horse power.            (4) Watt-hour can be measured in terms of electron volt.            State if                                           [NCERT 1978; MP PMT 2003]

    A)            All four are correct

    B)            (1), (2) and (4) are correct

    C)            (1) and (3) are correct

    D)            (3) and (4) are correct

    Correct Answer: B

    Solution :

               \[W=qV\] also \[P=i\times V=\frac{W}{t}\]

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