Two spheres A and B of radius 'a' and 'b' respectively are at the same electric potential. The ratio of the-surface char
Same V: kQ1/a=kQ2/b => Q∝r, surface charge σ=Q/4πr^2 ∝1/r, ratio σA/σB=b/a.
Ref: NCERT Physics Class 12 Chapter 3 Current Electricity
