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

  • question_answer The heat produced by a 100 watt heater in 2 minute will be equal to                                       [BCECE 2004]

    A)            \[12\times {{10}^{3}}\,J\]   

    B)            \[10\times {{10}^{3}}\,J\]

    C)            \[6\times {{10}^{3}}\,J\]     

    D)            \[3\times {{10}^{3}}\,J\]

    Correct Answer: A

    Solution :

               Energy \[=P\times t=100\times 2\times 60=12000\,J=12\times {{10}^{3}}J\]

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