Question

Two charges q1 and q2 are kept at a distance of 1m , what is the minimum force of attraction between them

Answer 1

The force between two charge particles is given by formula
( q1 • q2 ) 1
__________ • ____
(distance between them)^2 4πe


so the minimum force required ,I think may be

q1q2
______ = (q1q2)/4πe
1^2 × 4πe