why electric field lines are always perpendicular to equipotential surfaces?
Asked by | 7th Jul, 2008, 10:52: AM
this is because there is no potential gradient along any direction parallel to the surface , and so no electric field parallel to the surface. This means that the electric lines of force are always at right angle to the equipotential surface.
Answered by | 8th Jul, 2008, 11:23: AM
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