A hollow cylinderical wire carries a current I having inner

Last updated: 6/10/2023

A hollow cylinderical wire carries a current I having inner and outer radii R and 2R respectively Magnetic field at a point which 3R 2 distance away from its axis is 1 5 ol 18TR 2 Hol 36 R 3 5 ol 36 R 4 5 ol 9 R