Why is it necessary that the field lines from a point charge placed in the vicinity of a conductor must be normal to the surface of the conductor at every point?

Why is it necessary that the field lines from a point charge placed in

1.	Why is it necessary that the field lines from a point charge placed in the vicinity of a conductor must be normal to the surface of the conductor at every point?
Answer» Surface of a conductor is an equipotential surface and field lines are always directed from higher to lower potential, so field lines in the vicinity of a conductor must be normal to the surface of conductor.

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Why is it necessary that the field lines from a point charge placed in the vicinity of a conductor must be normal to the surface of the conductor at every point?

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