If a point charge \( q \) is placed at the centre of a cube what is the flux linked with the cub...

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If a point charge \( q \) is placed at the centre of a cube what is the flux linked with the cube?
\( \mathrm{P} \)
(A) \( \phi=\frac{1}{\epsilon_{0}} q \)
(B) \( \phi=\frac{3}{\epsilon_{0}} q \)
W
(C) \( \phi=\frac{6}{\epsilon_{0}} q \)
(D) \( \phi=\frac{1}{6 \epsilon_{0}} q \)
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