Two identical circular coils of radius 0.1m, each having 20 turns are mounted co-axially
Channel: Doubtnut
Date: 2021-11-02

Two identical circular coils of radius 0.1m, each having 20 turns are mounted co-axially 0.1m apart. A current of 0.5A is passed through both of them (i) in the same direction, (ii) in the opposite directions. Find the magnetic field at the centre of each coil.