The force between two point charges in vacuum is 15N, if a brass plate is introduced between the two charges, then force between them will -

When a brass plate is introduced between two charges, the force between the charges

One brass plate is inserted between two charges. The force between two charges will be

The force between two point charges in air is 100 N. If the distance between them is increased by 50%, then the force between two charges will be nearly equal to

The force between two point charges in air is 100 N. If the distance between them is increased by 50%, then the force between two charges will be nearly equal to

Two charges are placed a certain distance apart in air. If a brass plate is introduced between them, the force between them will

The electric force between two charges is _______ if a dielectric slab is introduced between them.