Two isolated sphereical conductors have radii `5 cm` and `0 cm`, espctively They have charges of `12muC` and `-3muC`. Find the charges after they are connected by a conductng wire. Also find the common potential after resistribution.

Two insulated charged conducting spheres of radii 20 cm and 15 cm respectively and having an equal charge of 10 C are connected by a copper wire and then they are separted. Then

Two metallic spheres of radii 1 cm and 2 cm are given charges 10^(-2) C and 5 xx 10^(-2) C respectively. If they are connected by a conducting wire, the final charge on the smaller sphere is

Three spherical shells have radii R,2R and 3R respectively. Total charge on A and C is 3q . Find the charges on different surface of A, B and C. The connecting wire does not touch the shell B.

Two spherical conductors A and B of radii 1mm and 2mm are separated by a distance of 5 cm and are uniformly charged. If the spheres are connected by a conducting wire then in equilibrium condition, the ratio of the magnitude of the electric fields at the surfaces of spheres A and B is

Consider Two metallic charged sphere whose radii are 20 cm and 10 cm respectively each having 150 microcoulomb positive charge. What is their common potential after they are connected by a conducting wire ?

Consider two concentric metalic shell's of radii R and 2R. The inner shell is having charge Q and outer shell is uncharged. If they are connected with a conducting wire. Then,

Two isolated conducting spheres S_1 and S_2 of radius 2/3 R and 1/3 R have 12 mu C and -3 muC charges, respectively, and are at a large distance from each other. They are now connected by a conducting wire . A long time after this is done the charges on S_1 and S_2 are respectively :

Two concentric spherical conducting shells of radii R and 2R are carrying charges q and 2q, respectively. Both are now connected by a conducting wire. Find the change in electric potential (inV) on the outer shell.

Two spheres A and B of radius 4 cm and 6 cm are given charges of 80 muC and 40 muC , respectively. If they are connected by a fine wire, then the amount of charge flowing from one to the other is

Figure shows two conducting spheres separated by large distance and of radius 2 cm and 3 cm containing charges 10 muC and 20 muC respectively. When the spheres are connected by a conducting wire then find out following : (i) Ratio of the final charge. (ii) Final charge on each sphere. (iii) Ratio of final charge densities. (iv) Heat produced during the process.