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Define electric flux, Is it a scalar or ...

Define electric flux, Is it a scalar or a vector quantity? A point charg q is at a distance of ` (d)/(2) ` directly above the centre of a square of side 'd' Use Gauss' law to obtain the expression for the electric flux through the square.
(b) If the point charge is now moved to a distance 'd' from the centre of the square and the side of the square is doubled , explain how the electric flux will be affected.

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If the point charges q is now moved to distance .d. from the centre of the square and the side of the square is doubled from .d. to .2d. ,the charge q still remains at the square will remain uncharged at ` (q)/( 6 in _0) `
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