JEE Main & Advanced Sample Paper JEE Main Sample Paper-42

  • question_answer
        If a charged conductor is not isolated and other conducting bodies are approaching towards it, then the

    A)  capacitance of conductor will change as potential of conductor changes due to induction phenomenon

    B)  capacitance of conductor remains constant as it is depending on shape and size of conductor

    C)  capacitance of conductor will change due to redistribution of charge on approaching bodies                       

    D)  None of the above

    Correct Answer: A

    Solution :

    For a conductor, if other bodies approaches then due to induction, potential of conductor changes while charge remains constant so \[C=\frac{Q}{V}\] changes. Capacitance of an isolated conductor is not affected by changing charge and potential but in present case it is not isolated.


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