JEE Advanced | 2013ElectrostaticsHard
Question
Two non-conducting solid spheres of radii R and 2R, having uniform volume charge densities ρ1 and ρ2 respectively, touch each other. The net electric field at a distance 2R from the centre of the smaller sphere, along the line joining the centres of the spheres, is zero. The ratio ρ1 /ρ2 can be
Options
A.- 4
B.
C.
D.4
Solution
if Enet = 0 at point A then
if Enet = 0 at point B then
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