Coulomb’s force between 2 point charges 10µC and 5µC placed at a distance of 150cm is

Q. Coulomb’s force between 2 point charges 10µC and 5µC placed at a distance of 150cm is

1. 0.2 N
2. 0.5 N
3. 2 N
4. 10 N

Answer: 0.2 N