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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
    Two bulbs of equal wattage, one having carbon filament and the other having a tungsten filament are connected in series to the mains, then

    A)            Both bulbs glow equally

    B)            Carbon filament bulb glows more

    C)            Tungsten filament bulbs glows more

    D)            Carbon filament bulb glows less

    Correct Answer: C

    Solution :

                       Resistance of carbon filament decreases with temperature while that of tungsten increases with temperature In series \[{{P}_{Consumed}}\propto R\]i.e. tungsten bulb will glow more brightly


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