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

Two isolated metallic spheres of radii 2 cm and 4 cm are given equal charge, then the ratio of charge density on the surfaces of the spheres will be

Two isolated metallic spheres of radii 2 cm and 4 cm are given equal charge, then the ratio of charge density on the surfaces of the spheres will be

Two charged sphere of radii R_1 and R_2 have equal surface charge density. The ratio of their potential is

Two spheres of radii 4 cm and 8 cm have the same amount of charge. Determine the ratio of their surface densities of charge.

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

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