The magnetic field due to a current carrying loop of radius ` 3 cm` at a point on the axis
Channel: Doubtnut
Date: 2020-07-05

The magnetic field due to a current carrying loop of radius ` 3 cm` at a point on the axis at a distance  of `4 cm` from the centre is ` 54 muT`. What will be its value at the centre of loop ?