Two charged spherical conductors of radii R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres (σ1/σ2) is
Two spherical conductors of radii 4m and 5m are charged to the same potential. If σ1 and σ2 be the respective values of the surface density of charge on the two conductors, then the ratio σ1σ2is