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

  • question_answer You are given three bulbs of 25, 40 and 60 watt. Which of them has lowest resistance     [NCERT 1982]

    A)            25 watt bulb                         

    B)            40 watt bulb

    C)            60 watt bulb                         

    D)            Information is insufficient

    Correct Answer: C

    Solution :

               Because \[R\propto \frac{1}{P}\]


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