111.A positive point charge exerts a force of magnitude on a negative point charge…
PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields
Problem
111.A positive point charge exerts a force of magnitude F on a negative point charge placed a distance x away. The negative point charge is replaced with a positive point charge and the distance between the two point charges is halved. What is the magnitude of the new force that the positive point charge exerts on the negative point charge?
(A) 4F
(B) 2F
(C) F
(D) F/2