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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Sep 2007 20:18:43 IST
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Slight error in your analysis Anshuman. You missed the self energy term for the charge spread on the surface.
Initial energy = kQ1Q2/R1+kQ2^2/(2*R1)
final energy = kQ1Q2/R2+kQ2^2/(2*R2)
Now work done is equall to Efinal-Einitial
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Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
this reply: 5 points
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