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

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 conducting spheres of radii r_(1) and r_(2) are equally charged. The ratio of their potentral is-

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

Two spheres of radii 2 cm and 3 cm are charged to the same potential. If sigma and sigma_2 be respectively the values of surface charge density on the conductors, then the ratio (sigma_1)/(sigma_2) will be

Two particles having same charge and KE enter at right angles into the same magnetic field and travel in circular paths of radii 2 cm and 3cm respectively. The ratio of their masses 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

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

Two spheres of radii 1 cm and 2 cm have been charged with 1.5 xx 10^(-8) and 0.3 xx 10^(-7) coulomb of posiitve charge. When they are connected with a wire, charge :