Mark the correct statement:

Moderate

A

An electron and a proton when released from rest in a uniform electric field experience the same force and the same acceleration.
B

Two equipotential surfaces may intersect.
C

A solid conducting sphere holds more charge than a hollow conducting sphere of the same radius.
D

No work is done in taking a positive charge from one point to another inside a negatively charged metallic sphere.

Solution

Option (1) is wrong because force will be the same, but acceleration will be different because masses of electrons and protons are different.
Option (2) is wrong because at a point there can be only one potential.
Option (3) is wrong because charge always lies on the outer surface of a conductor.
Option (4) is correct because the whole conductor will be an equipotential body.

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