Two metallic spheres of radii R and 2R charged so that both of these have same surface charge density sigma. If they are connected to each other with a conducting wire, in which direction will the charge flow and why?

Dear Student,


potential at radius of sphere R  V=k4πR2σR=k4πRσpotential at radius of sphere 2R   V'=k16πR2σ2R=k8πRσV'=2Vhence the charg flow from the higher potential to lower potential from the radius of 2R to radius R.Regards

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