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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Charge and Coulombs Law

  • question_answer
    A soap bubble is given a negative charge, then its radius               [MNR 1988; CPMT 1997; RPMT 1997;DCE 2000; BVP 2003]

    A)                    Decreases

    B)                    Increases

    C)                    Remains unchanged

    D)                    Nothing can be predicted as information is insufficient

    Correct Answer: B

    Solution :

               Due to mutual repulsion of charges distributed on the surface of bubble.


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