A metallic sphere of radius R1 carries a charge Q,another uncharged metallic sphere of radius R2 is connected to it using a long wire of negligible resistance. Find the charge transferred from first to second sphere
A metal sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere Is charged to a potential of 3 esu with outer sphere connected to the earth, the charge on the inner sphere is
a metal sphere of radius 5 cm is charged such that the potential on its surface is 10 v . What is potential at centre of sphere?