A hollow charged metal sphere has radius r If the potential difference between its surface and a point at a distance 3r from the

Question

A hollow charged metal sphere has radius r If the potential difference between its surface and a point at a distance 3r from the centre is V then the electric field intensity at distance 3r from the centre is 1 3 V 3r V 6r 2 4 V 4r V 2r Vzoka kg

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