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 A point charge of magnitude q is at the center of a cube with sides of length L

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 A point charge of magnitude q is at the center of a cube with sides of length L.

A. What is the electric flux Φ through each of the six faces of the cube?

Use ?0 for the permittivity of free space.

B. What would be the flux Φ1 through a face of the cube if its sides were of length L1?

Use ?0 for the permittivity of free space.