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

  • question_answer If a power of 100 W is being supplied across a potential difference of 200 V, current flowing is     [AFMC 1993]

    A)            2 A

    B)            0.5 A

    C)            1 A

    D)            20 A

    Correct Answer: B

    Solution :

               \[P=Vi\] Þ  \[i=\frac{P}{V}=\frac{100}{200}=0.5\,\,A\]

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