Question

How does the magnetic field around a magnet depend on the distance from the magnet?

Answer 1

1. The space around the magnet in which the magnetic force of a magnet can be experienced by a magnetic substance like iron is called the magnetic field.
2. The magnetic field around a magnet is inversely proportional to the distance from the magnet.
3. Near the body of the magnet, the magnetic field lines are very close and hence the magnetic field is strong near the body of the magnet.
4. As we move away from the magnet, the spacing of the magnetic field lines increases and therefore the magnetic field decreases as we move away from the magnet.
5. The below diagram shows that the spacing of the magnetic field lines decreases with the distance from the magnet.

Hence, the magnetic field around a magnet is inversely proportional to the distance from the magnet.