Question

State the ways to store a bar magnet . Why do magnets possess the directive property?

Answer 1

Answer:

1

• Store your magnets with a keeper – A keeper is a small piece of iron that is generally added temporarily between the north and south poles of a magnet. It prevents the magnet from demagnetising by redirecting its magnetic field.
• Store your magnets in pairs – Keep magnets in pairs to avoid both north and south sides from touching. Both poles of the same alignment should never be allowed to touch, as this will cause the magnetic fields to repel and cause the magnets to weaken over time.
• A dry place – Corrosion easily occurs to magnets that are stored in a damp environment. Corrosion will affect the strength of the magnets, especially if they rust, which causes an air gap. This will produce an insecure bond for ferromagnetic materials. Also, if magnets get wet, it can cause the laminate to bubble. If a magnet must be used in wet environments, make sure you’re using a magnet designed for water, and that the magnet is dried and cleaned regularly.
• Keep in a non-ferromagnetic space – When storing multiple magnets, keep them in a non-ferromagnetic container. A great example would be a tightened wooden box or Tupperware® container. The container your magnets are stored in will help the magnet avoid attracting any undesirable metal debris.

2

              This property helps to understand which pole of the magnet is north and south by suspending the magnet in mid-air. Law of magnetic poles: Like poles repel while unlike poles attract. Pair property: When a magnet is cut into two pieces, both the pieces will have the North Pole and the South Pole