54 A long cylindrical conductor of radius R carries a

Last updated: 6/10/2023

54 A long cylindrical conductor of radius R carries a current i as shown in figure The current density is a function of distance from the axis r according to j br where b is a constant Find an expression of the magnetic field B at a distance r2 R measured from the axis 2 1 Hobr 3 3 MobR2 2 MobR3 31 4 br 2