4 52 A closely wound coil has a radius of 6 00cm and carries

Last updated: 6/18/2023

4 52 A closely wound coil has a radius of 6 00cm and carries a current of 2 50A How many turns must it have if at a point on the coil axis 6 00 cm from the centre of the coil the magnetic field is 6 39 104T Ans 69