Two point charges one is `10` times as strong as the other repel each other with a force of `8.1times10^(-5)N` when they are `0.03`m apart in air.The magnitude of the smaller charge is .........

Two identical charges repel each other with a force equal to 1mg wt when they are 0.6m apart in air.The value of each charge is ( g=10ms^(-2) )

Two magnetic poles one of which is three times as strong as the other exert on each other a force equal to 150 mg wt when placedd 5 cm apart in air.The stregth of the stronger pole is

Two identical charges repel each other with a force equal to 10mg wt when they are 0.6m apart in air. (g=10ms^(-2) ) .The value of each charge is - - -- 10^(-6)C

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

Two positive charges which are 0.1m apart repel each other with a force of 18N. If the sum of the charges be 9 muC , calculate their separate values.

Two point charge separeted by a distance d repel each other with a force of 9 N. If the separat becomes 3d, the force of repulsion will be

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.