Two similar poles repel each other with a force of 0.005 N when placed 16 cm apart. If they are placed 8 cm apart, what will be the repulsing force ?

Two similar and equal charges repel each other with force of 1.6 N. When placed 3m apart Strength of each charge is -

Two similar charges repel each other with a force of 44.1 Newton when placed 2cm apart in air. Calculate the strength of charge.

Two equal charges repel each other with a force of 0.4 newton when situated 10 cm apart in air. Find the magnitude of the charge.

Two equal charges repel each other with a force of 0.4 newton when situated 10 cm apart in air. Find the magnitude of the force when the charges are in a medium of relative permittivity 4.0

Two point sized charged bodies repel each other with a force of 20 N when 30 cm apart in air. If their combined charge is 30 muC , find the charge present on each body.

Two identical metal spheres A and B have equal and similar charges. They repel each other with a force 103N, when they are placed 10cm apart in a medium of dielectric constant 7. Determine the charge on each sphere.