Question: Use Gauss's theorem to prove that at the surface of a curved charged conductor, the normal derivative of the electric field is given by where

Use Gauss's theorem to prove that at the surface of a curved charged conductor, the normal derivative of the electric field is given by

1 JE R1 E an 1/2

where R1 and R2 are the principal radii of curvature of thesurface.

1 JE R1 E an 1/2

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