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Four dipols each of magnitudes of charges $\;\pm q\;$ are placed inside a sphere . The total flux of $\overrightarrow{E}\;$ coming out of the sphere is

$(a)\;zero\qquad(b)\;\large\frac{4\;q}{\in_{0}}\qquad(c)\;\large\frac{8\;q}{\in_{0}}\qquad(d)\;None$

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Answer : (a) zero
Explanation : $\phi=\large\frac{q_{enc}}{\in_{0}}$
$q_{enc}=0$
$\phi=0\;.$
answered Feb 3, 2014 by yamini.v
 

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