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