alleryStart learning →The electric field at any point is directed how relative to the equipotential surface there?
AParallel to the surface
BAt 45 degrees to it
CNormal to the surface
DAlong the tangent
Answer & Solution
Correct answer: C. Normal to the surface
Zero work along the surface means E.dx = 0 for any displacement on it, so E is perpendicular to the surface.
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