AIPMT 2009 Physics and Chemistry Paper

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Question : 35 of 100
 
Marks: +1, -0
Three concentric spherical shells have radii a, b, and c(a<b<c) and have surface charge densities σ,−σ and σ respectively. If VA,VB and VC denote the potentials of the three shells, then, for c=a+b, we have :
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