alleryAround a single point charge the equipotential surfaces are:
AParallel flat planes
BCoaxial cylinders
CNested hollow cubes
DConcentric spheres
Answer & Solution
Correct answer: D. Concentric spheres
1. Potential of a point charge depends only on distance r.
2. Constant r means a sphere.
3. So the surfaces are concentric spheres.
_Source: syllabus Physics Part I, Chapter 2, Electrostatic Potential and Capacitance._
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