PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
A circular loop of radius 10cm carries a current of 10A. Find the magnitude of the magnetic field on the axis of the loop at a point 20cm from its centre.
(a) 11.2μT
(b) 0.56μT
(c) 5.6μT
(d) 1.3μT