JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Heating Effect of Current

  • question_answer
    One kilowatt hour is equal to [NCERT 1974; MP PMT 2002]

    A)            \[36\times {{10}^{5}}\,joules\]                                        

    B)            \[36\times {{10}^{3}}\,joules\]

    C)            \[{{10}^{3}}\,joules\]       

    D)            \[{{10}^{5}}\,joules\]

    Correct Answer: A

    Solution :

               1 kWh = 1000 W ´ 3600 sec = 36 ´ 105 W-sec (or J)


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