If a point charge q is placed at the centre of a cube what is the flux linked with each face of the cube?
Answer & explanation
Correct answer: option 2
Now as cube is a symmetrical body with a faces and the point charge is at its centre, so electric flux linked with each face will be
$\phi_{F}=\frac{1}{6} \phi=\frac{q}{6 \in_{o}}$