Four dipoles having charge $ \pm e$ are placed inside a sphere. The total flux of ${\vec E}$ coming out of the sphere is 

  • A

    zero

  • B

    $\frac{{4e}}{{{\varepsilon _0}}}$

  • C

    $\frac{{8e}}{{{\varepsilon _0}}}$

  • D

    $\frac{{10e}}{{{\varepsilon _0}}}$

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