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.

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 force experienced by a pole of strength 100 Am at a distance of 0.2 m from a short magnet of length 5 cm and pole strength of 200 Am on its axial line will be

The magnetic field strength at a distance 2m from a magnetic pole is 2xx10^(-7) T.The pole strength of pole is

A N-pole of a very long magnetic needle is placed at a distance of 20 cm from a point 'P'. If the pole strength of the magnetic needle is 40 Am what is the magnetic induction at the point 'P'?