5 A long wire carries a steady current It is bent into a

Last updated: 6/26/2023

5 A long wire carries a steady current It is bent into a circle of one turn and magnetic field at the centre of coil is B It is then bent into a circular loop of n turns The magnetic field at the centre of coil for same current is 1 nB 3 2nB 2 n B 4 2n B