Question

A hollow spherical shell of radius r has a uniform charge density sigma. It is kept in a cube of edge 3r such that the center of the cube coincides with the centre of the shell. The electric flux coming out of a face of the cube is

 

Sir pls sove

Joshi sir comment

Total flux in 6 faces =σ4πr2ε0   so in 1 face = 16σ4πr2ε0  if any issue, inform

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