JEE Main & Advanced Sample Paper JEE Main - Mock Test - 39

  • question_answer
    A light bulb, a capacitor and a battery are connected together as shown in figure, with switch S initially open. When the switch S is closed, which statement is true?

    A) The bulb will light up for an instant when the capacitor starts charging

    B) The bulb will light when the capacitor is fully charged

    C) The bulb will not light up at all

    D) The bulb will light up and go off at regular intervals

    Correct Answer: A

    Solution :

    [a] As switch's closed, capacitor get charged instantly and current becomes zero, so bulb light up for instant.

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