Equipotential SurfacesEasyQuestion 31444
Question
Equipotential surfaces are:
- AParallel to electric field lines
- BPerpendicular to electric field linesCorrect
- CIdentical to field lines
- DAlways spherical
Correct answer
Perpendicular to electric field lines
Explanation
No work is done moving a charge along an equipotential surface (ΔV = 0). Since W = F·d, E must be perpendicular to the surface.