A long straight wire of radius a carries a steady current I

Last updated: 6/3/2023

A long straight wire of radius a carries a steady current I The current is uniformly distributed across its cross section The ratio of the magnetic field at a 4 is 1 1 1 2 7 16 1 3 inside and outside from the surface of wire 4 NCERT Pg 149 a 15 16 Uo 0