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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
    4 bulbs marked 40 W, 250 V are connected in series with 250 V mains. The total power is               [EAMCET (Engg.) 1995]

    A)            10 W                                        

    B)            40 W

    C)            320 W                                      

    D)            160 W

    Correct Answer: A

    Solution :

               \[{{P}_{S}}=\frac{P}{n}=\frac{40}{4}=10\,\,W.\]


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