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Due to a single charge at a distance r, Force (F ) α 1/r2, Electric field (E ) α 1/r2 but Potential (V) α 1/ r.

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Due to a single charge at a distance r, Force (F ) α 1/r2, Electric field (E ) α 1/r2 but Potential (V) α 1/ r.

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At a point a distance r from an isolated point charge, the force F on a point charge and the electric field E both vary as 1/r2, while the potential energy U of a point charge and the electric potential V at the point both vary as 1/r.

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