It two charges of 1 coulomb each are placed 1 km apart,then the force between them will be

If two charges of 1 coulomb each are placed 1 km apart, then the force between them will be

Two charges of 1.0 C each are placed one meter apart in free space.The force between them will be.

Two point charges of 2 coulomb and 6 coulomb repel each other with a force of 12 newton. If each charge is given an additional charge of -2 coulomb then the force between them will become

Two similar point charges q_1 and q_2 are placed at a distance r apart in the air. The force between them is F_1 . A dielectric slab of thickness t(ltr) and dielectric constant K is placed between the charges . Then the force between the same charge . Then the fore between the same charges is F_2 . The ratio is

Two similar point charges q_1 and q_2 are placed at a distance r apart in the air. The force between them is F_1 . A dielectric slab of thickness t(ltr) and dielectric constant K is placed between the charges . Then the force between the same charge . Then the fore between the same charges is F_2 . The ratio is

Two charges are placed in vacuum at a distance d apart. The force between them is F. if a medium of dielectric constant 2 is introduced between them, the force will now be

Two charges each of +q coulomb are placed along line. A third charge -q is placed between them. At what position will the system be in equilibrium ?

A charge of 1 mu C is divided into two parts such that their charges are in the ratio of 2:3 .These two charges are kept at a distance 1 m apart in vaccum. Then,the electric force between them (in N) is