An insulated sphere of radius 10 cm has a positive charge of 20 nC and another of radius 5 cm has a positive charge of 15 nC. If the two are connected find the

Asphere of radius 10 cm is given a charge of 20 muC on its surface. The surface charge density of sphere is

An insulated charged conducting sphere of radius 5cm has a potential of 10V at the surface. What is the potential at centre?

A conducting sphere of radius 10 cm is charged to 10 muC . Another uncharged sphere of radius 20 cm is allowed to touch it for some time. After that, if the spheres are separated , then surface density of charges on the spheres will be in the ratio of

What should be the charge on a sphere of radius 4 cm, so that when it is brought in contact with another sphere of radius 2 cm carrying charge of 10 mu C , there is no transfer of charge from one sphere to other ?

The radii of two insulated metal spheres are 5 cm and 10 cm. They are charged up to potential of 10 esu and 15 esu, respectively. If the two shperes are connected with one another, what will be the loss of energy?

A solid conducting sphere of radius 10 cm is enclosed by a thin metallic shell of radius 20 cm . A charge q = 20 mu C is given to the inner sphere is connected to the shell by a conducting wire.

A solid conducting sphere of radius 10 cm is enclosed by a thin metallic shell of radius 20 cm . A charge q = 20 mu C is given to the inner sphere is connected to the shell by a conducting wire.

A conducting sphere of radius 5 cm has a charge of 20 esu. What is the electric potential at a distance of 10 cm away from its centre?

A conducting sphere of radius 10 cm is charged 10 muC . Another uncharged sphere of radius 20 cm is allowed to touch it for some tome. After that if the sphere are separted, then surface density of chsrges, on the spheres will be in the ratio of