Two point charges and are placed a fixed distance apart in vacuum
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Two point charges +q and +Q are placed a fixed distance apart in vacuum. Which one of the following best describes the nature and line of action of the electrostatic force between them?
(a) Attractive along the line joining the two charges
(b) Zero force if q=Q
(c) Repulsive along the line joining the two charges
(d) Repulsive perpendicular to the line joining the two charges