What is the flux through a cube of side 'a' if a point charge of 'q' is at one of its corner?
As we learnt in
Gauss's Law -
Total flux linked with a closed surface called Gaussian surface.
No need to be a real physical surface.
Qenc - charge enclosed by closed surface.
Eight identical cubes are required so that the given charge q appears at the centre of the bigger cube.
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