Question

a charge Q is uniformly distributed over a large plastic sheet. the electric field at a point close to the centre of the plate near the surface is 20 V/M. if the plate is replaced by a copper plate of the same geometrical dimensions and carrying the same charge Q, then what is the electric field at that point?

Answer 1

5 V m-1 is the correct answer as the charge Q is uniformly distributed over a large plastic sheet.

Then electric field at a point close to the centre of the plate near the surface is 20 V/M.

Plate is replaced by a copper plate of the same geometrical dimensions and carrying the same charge Q so that the electric field at that point is 5 V m-1.

Answer 2

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