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    Question

    A spherical conductor of radius R is surrounded by a

    concentric spherical shell of radius 2R. The capacitance of this system is:
    A 4περ R Correct Answer Incorrect Answer
    B σπερ R Correct Answer Incorrect Answer
    C 2περ R Correct Answer Incorrect Answer
    D 8περ R Correct Answer Incorrect Answer

    Solution

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