The magnetic induction in air at a distance d from an isolated point pole of strenth m unit will be

The magnetic induction at distance of 0.1m from a strong magnetic pole of strength 1200 Am is

The magnetic induction at a distance 'd' form the magnetic pole of unkown strength 'm' is B . If an identical pole is now placed at a distance of 2d from the first pole, the force between the two poles is

Calculate magnetic induction at a distance of 20 cm from a pole of strength 40 Am in air.

The magnetic field strangth at a distance d from the centre, on the axial line of a very short bar magnet of magnetic moment M, is B. The magnetic induction at a distance 2 d from centre, on equatoroal line of magnet of magnetic moment 8M, will be'

Calculate the magnetic field intensity at a distance of 20cm. from a pole of strength 40Am in air. Find the magnetic induction at the same point.

The magnetic induction at a distance r from a straight, infinitely long wire in air and carrying a current I is given by

The magnetic induction B and the force F on a pole m are related by

The magnetic induction at a point at a large distance d on the axial line of circular coil of small radius carrying current is 120muT . At a distance 2d the magnetic induction would be