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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Self Evaluation Test - Electric Chages and Fields

  • question_answer
    In the figure the net electric flux through the area A is \[\phi =\vec{E}.\vec{A}\] when the system is in air. In immersing the system in water the net electric flux through the area

    A) becomes zero     

    B) remains same

    C) increases       

    D)        decreases

    Correct Answer: D

    Solution :

    [d] Since electric field \[\vec{E}\]decreases inside water, therefore flux \[\phi =\vec{E}.\text{ }\vec{A}\] also decreases.


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