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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Capacitance

  • question_answer
    A spherical drop of capacitance 1 mF is broken into eight drops of equal radius. Then, the capacitance of each small drop is ......                                                                        [KCET 2004]

    A)                    \[\frac{1}{8}\mu F\]

    B)                                      \[8\mu F\]

    C)                    \[\frac{1}{2}\mu F\]

    D)            \[\frac{1}{4}\mu F\]

    Correct Answer: C

    Solution :

               Using \[C={{n}^{1/3}}c\] Þ \[c=\frac{C}{{{n}^{1/3}}}=\frac{C}{{{(8)}^{1/3}}}=\frac{C}{2}\]\[=\frac{1}{2}\mu F\]          


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