Electrostatics

Question: Two insulated charged conducting spheres of radii $20\,cm$ and $15\,cm$ respectively and having an equal charge of $10\,C$ are connected by a copper wire and then they are separated. Then



1) Both the spheres will have the same charge of $10\,C$
2) Surface charge density on the $20\,cm$ sphere will be greater than that on the $15\,cm$ sphere
3) Surface charge density on the $15\,cm$ sphere will be greater than that on the $20\,cm$ sphere
4) Surface charge density on the two spheres will be equal
Solution: Explanation: Explanation
electric-field-potential

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