13 A closely wound flat circular coil of 25 turns of wire

Last updated: 6/24/2023

13 A closely wound flat circular coil of 25 turns of wire has diameter of 10 cm and carries a current of 4 ampere Determine the magnetic flux density at the centre of the coil 1 1 679 x 10 5 T 3 1 257 10 T 2 2 028 x 10 4 T 4 1 512 x 10 6 T