See the figure here. We have two hollow thin spherical shells A and B of radii R, and R, respectively. Initially as shown in Fig.(i) shell B has a charge + Q which is uniformly distributed over its outer surface but shell B has no charge. At a particular instant the two spherical shells are connected by a thin copper wire as shown in Fig.(ii). After a couple of minutes two spherical shells A and B are disconnected again as shown in Fig.(iii). Now answer the following questions : Find the ratio of electric field on the surfaces of shell A and B.

See the figure here. We have two hollow thin spherical shells A and B

1.	See the figure here. We have two hollow thin spherical shells A and B of radii R, and R, respectively. Initially as shown in Fig.(i) shell B has a charge + Q which is uniformly distributed over its outer surface but shell B has no charge. At a particular instant the two spherical shells are connected by a thin copper wire as shown in Fig.(ii). After a couple of minutes two spherical shells A and B are disconnected again as shown in Fig.(iii). Now answer the following questions : Find the ratio of electric field on the surfaces of shell A and B.
Answer» SOLUTION :SINCE `E = sigma/epsi_0`, HENCE `E_A/E_B = sigma_A/sigma_B = R_2/R_1`

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