A cylindrical conductor of radius R carries a current i

Last updated: 6/7/2023

A cylindrical conductor of radius R carries a current i nonuniformly spread over its cross section The current density J Jo 2 3r R where r is the radial distance and Jo is constant Then B at r 4R is Select one O a Jo R 2 mio O b Jo 2R mio O c Zero O d JoR 2n mio O e Jo 2R mio