A PROPERTY OF ELECTRIC LINES OF FORCE
Asked by | 3rd May, 2008, 07:04: PM
Since all charges are at rest on a conductor there is no electric field along the surface of the conductor.If there was an electric field, then there would be a force and the charges would move. The surface of a conductor is always an equipotential surface.
The work done in moving a charge from one point to another on a conductor is zero. If this were not true it would violate the conservative nature of electrostatic fields.This is possible only if electric field is perpendicular to the surface of the conductor. If the electric field is not exactly perpendicular then its component will exist along the surface of the conductor and the work done will not be zero.
Answered by | 21st May, 2008, 04:00: PM
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