Three concentric metallic shells A, B and C of radii a, b and c (a < b < c) have surface charge densities +s, -s and + s respectively. If shells A and C are at the same potential, then obtain the relation between the radii a, b and c.
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Given σ 1 = σ 2 = σ 3
Q1/4πR^2 = Q2/4π4R^2 = Q3/4π9R^2 = K
To find Q 1 :Q 2 :Q 3,
K4πR^2 : K16πR^2 : K36πR^2
Therefore the ratio.is
☑️☑️☑️1:4:9☑️☑️☑️
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