Two point charges and are kept metres apart in air
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Two point charges +q and −q are kept d metres apart in air. Which one of the following statements correctly describes the location(s) where the net electric field due to the two charges is zero?
(a) Exactly one point exists between the two charges
(b) No point in space has zero resultant field
(c) Two points exist, both lying outside the segment joining the charges
(d) Infinitely many points form a circle centred at the midpoint