Question

Why most electrostatic field be normal to the surface at every point of a charged conductor.

Answer 1

Electric field is defined to be the gradient of potential and the surface of a conductorhas a constant potential. Therefore, there is no field along the surface of the conductorand, hence, the electrostatic field at the surface of a charged conductor should benormal to the surface at every point.

Answer 2

Answer:

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Explanation:

So that tangent on charged conductor gives the direction of the electric field at that point.