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Figure (a) shows a shall of radius R hav...

Figure (a) shows a shall of radius R having charge `q_(1)` uniformly distributed over it. A point charge q is placed at the centre of shell. Find amount of work required to increase the radius of shell from R to `R_(1)` as shown in figure (b).

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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Unsolved Numberical Problems
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