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

  • question_answer On an electric heater 220 volt and 1100 watt are marked. On using it for 4 hours, the energy consumed in kWh will be

    A)            2    

    B)            4.4

    C)            6    

    D)            8

    Correct Answer: B

    Solution :

               \[E=\frac{1100\times 4}{1000}=4.4\,\,kWh\]

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