MGIMS WARDHA MGIMS WARDHA Solved Paper-2005

  • question_answer
    The capacity of an isolated conducting sphere of radius R is proportional to :

    A) \[{{R}^{2}}\]                                      

    B) \[\frac{1}{{{R}^{2}}}\]

    C) \[\frac{1}{R}\]                                  

    D) \[R\]

    Correct Answer: D

    Solution :

    Capacity of an isolated conducting sphere   \[C=4\pi {{\varepsilon }_{0}}R\]i.e., at high frequency capacitro offers less resistance.


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