Two point charges `q_1` and `q_2` are sepa-rated by a distance r in space:- What happens to the force between the charges:- When the distance of separation is decreased. Hence establish the law governing it.

Two point charges q_1 and q_2 are separated by a distance r in space:-What happens to the force between the charges:-When the magnitude of the point charge Increases.

Two point charges q_1 and q_2 are separated by a distance r in space What happens to the force between the charges, i) When the magnitude of one of the point charges is doubled. ii) When the distance of separation is halved.

Two fixed point charges +9e and +4e are separated by a distance x.Where should a point charge be placed between the two charges, so that it is in equilibrium?

Two equal and opposite charge +q and -q are separated by a small distance 2a. Define its moment. What is its direction.

Two equal and opposite charge +q and -q are separated by a small distance 2a. Br Name this arrangement.

Two point charges +q and -q are placed at distanced d apart. What are the points at which the resultant field is parallel to the line joininin the two charges?

Two charges Q and q are placed at a distance ‘d’ from each other. If the magnitude of each charge is doubled and the distance between them halved, the force becomes?

Given two point charges q1 and q2 , such that q1q2<0. What is the nature of force between them?

Two equal charges placed in air separated by a distance 3m repel each other with a force of 0.1 gf. Calculate the magnitude of either of the charges?