Calculate the excess number of electrons that must be placed on each of the two similar uncharged spheres that are located 5 cm part of (in air), such that the force of repulsion between them is `36 xx 10^(-19) N`.

The excess (equal to number) number of electrons that must be placed on each of two small spheres spaced 3cm apart with force of repulsion between the spheres of br 10^(-19)N is

A small uncharged sphere is placed in contact with an equal and similar charged sphere and then removed to a distance of 4 cm. The force of repulsion between them is now 9xx10^(-5) N. What was the original charges in the charged sphere?

Two conducting spheres of radii 3 cm and 1 m are separated by a distance of 10 cm in free space. If the spheres are charged to same potential of 10 V each, then the force of repulsion between them is

Two conducting spheres of radii 3 cm and 1 m are separated by a distance of 10 cm in free space. If the spheres are charged to same potential of 10 V each, then the force of repulsion between them is

Two conducting spheres of radii 3 cm and 1 cm are separated by a distance of 10 cm in free space. If the spheres are charged to same potential of 10 V each, the force of repulsion between them is density

What is the force between two small charged of 2 xx 10^(-7) C placed 30 cm apart in air?

What is the force between two small charged of 2 xx 10^(-7) C placed 30 cm apart in air?

How far two electrons should be placed so that the force of repulsion between them is equal to the weight of an electron ?