A coaxial inner conductor is solid and of radius R The outer

Last updated: 6/14/2023

A coaxial inner conductor is solid and of radius R The outer conductor is hollow and of inner radius R2 and outer radius R3 The space between the conductors is filled with air The two conductors carry equal currents but in opposite directions The variation of magnetic field with distance from common axis plotted is best the as R R R 1 2 3 18 B B R R R r R R R R R R B h R3 SB de