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 conducting spheres of radii 5 cm and 10 cm are given a charge of 15mu F each. After the two spheres are joined by a conducting wire, the charge on the smaller sphere 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 ?

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

Two insulated charged spheres of radii 20 cm and 25 cm respectively and having an equal charge Q are connected by a copper wire, they are separated

Two capacitors are charged individually to potential 80 V and 100 V , respectively. They can store charge 20 upto muC and 30 muC respectively. Find the ratio of their capacitances.

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.

The radii of cahrged metallic spheres are 5 cm and 10 cm. both have a charge of 75 muC . Both the spheres are connected together with a conducting wirre. Calculate (i) the quantity of charge transferred through the wire (ii) the common potential of the spheres after connecting them.

Two isolated metallic solid spheres of radii R and 2R are charged such that both of these have same charge density 12 muC//m^(2) . The spheres are located far away from each other, and connected by a thin conducting wire. Find the new charge density on the bigger sphere in muC//m^(2) .