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

Last updated: 6/30/2023

5 A long straight wire of radius a carries a steady current I The current is uniformly distributed over its cross section The ratio of the magnetic fields B and B at radial distances and 2 a respectively from the a NEET 2016 2 axis of the wire is a 2 c 4 b 1 d 1 o