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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
    A 25 watt, 220 volt bulb and a 100 watt, 220 volt bulb are connected in series across a 220 volt lines. Which electric bulb will glow more brightly                 [MP PET 1999; MP PMT 1999]

    A)            25 watt bulb                         

    B)            100 watt bulb

    C)            First 25 watt and then 100 watt

    D)            Both with same brightness

    Correct Answer: A

    Solution :

               The resistance of 25 W bulb is greater than 100 W bulb. So for the same current, heat produced will be more in 25 W bulb. So it will glow more brightly.


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