Work on an Equipotential Surface
A charged particle is displaced from point A to point B along an equipotential surface. Which statement best describes the work done by the electric field on the particle during this displacement?
A
Zero, because E is perpendicular to the displacement
B
Zero, because the field is zero on equipotential surfaces
C
Negative, because the field opposes the motion
D
Positive, because the particle follows the field lines
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