4 The current density varies with radial distance r as J ar

Last updated: 6/7/2023

4 The current density varies with radial distance r as J ar in a cylindrical wire of radius R The current passing through the wire between radial distance R 3 and R 2 is 65 na R 2592 65na R 2938 a c b d 25 na R 72 81na R 144