railway RRB Technician Grade 1 Mock Test 2024 Physics Electric Charges and Coulomb's Law Coulomb’s Law
The distance between two equal charges is 2 m and the force between them is 20 N. If the distance between them is increased to 4 m keeping the charge same then the force between them becomes-
1
80 N
2
20 N
3
5 N
4
2 N