Electric field is always ...... to the equipo | vedclass

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Question

(B) By definition,an equipotential surface is a surface where the electric potential is constant at every point. If the electric field had a component

Vedclass · Accepted Answer

Perpendicular

Vedclass · Answer

(B) By definition,an equipotential surface is a surface where the electric potential is constant at every point. If the electric field had a component parallel to the surface,it would exert a force on a charge moving along the surface,meaning work would be done. However,since the potential difference between any two points on an equipotential surface is zero,the work done in moving a charge along the surface is zero. Therefore,the electric field must be perpendicular to the equipotential surface at every point.

Electric field is always ...... to the equipotential surface at every point. (Fill in the gap)

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