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 insulated charged spheres of radii 20 cm and 25 cm respectively and having equal charge q are connected by a copper wire and then they are separated

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 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 insulated charges conducting spheres of radii 20 cm and 15 cm respectively and having an equal charge of 10 mu C are connected by a copper wire and then they are separated . Then (1) Both spheres will have equal charges. (2) Surface charges density on the 20 cm sphere will be greater than that on the 15 cm sphere (3) Surface charge density on the 15 cm sphere will greater than that on the 20 cm sphere (4) Surface charge density on the two spheres will be equal.

Two spheres of radii 12 cm and 16 cm have equal charge. The radii of their energies is.

Two spheres of radii 2 cm and 8 cm are charged equally with an amount of 10^(-10)C . If they are connected by a thin copper wire, what amount of charge will flow through this wire.

Two insulated metal spheres of raddi 10 cm and 15 cm charged to a potential of 150 V and 100 V respectively, are connected by means of a metallic wire. What is the charge on the first sphere?