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# A charge $Q \mu C$ is placed at the centre of a cube. What is the electric flux coming out from any one surface?

Total flux through cube $\phi =\large\frac{q}{\in_0}$
Flux linked with one face $= \large\frac{1}{6}$$\phi$
$\qquad= \large\frac{1}{6} \bigg( \large\frac{q}{\in_0} \bigg)$
$\qquad= \large\frac{q} {6 \in _0}$