Homework Statement
Consider two metal spheres of radii r1 = R and r2 = 2R, both charged to the same potential V0.
a) What is the ratio n1/n2 of their surface charge densities?Homework Equations
n(eta) = charge/area
Er = -dV/drThe Attempt at a Solution
a) n1/n2 = Q/(4*pi*R2) / Q/(16*pi*R2) = 4...