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A hollow spherical conductor of radius 10 m cm is surrounded concentrically by another bigger shell of radius 12 cm and thickness 1 cm The inner one is charged with 39nC (nanocoulomb). Calculate the potntial of the inner sphere when (i) the outer one is not there, (ii) when the outer one is there, (iii) when the outer one is earthed,

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The correct Answer is:
`(i)3510 (ii)3285 V,(iii)585 V`
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NN GHOSH-CAPACITORS-Exercise
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