Questions
Two metallic charged spheres whose radii are 20 cm and 10 cm respectively, have each 150 micro-coulomb positive charge. The common potential after they are connected by a conducting wire is
detailed solution
Correct option is A
Common potential V= Total charge Total capacitance V=150×10−6×24πε010×10−2+20×10−2=9×106VTalk to our academic expert!
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Two metal spheres of capacitance C1 and C2 carry some charges. They are put in contact and then separated. The final charges Q1 and Q2 on them will satisfy
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