Question

9.__________________ are used to prevent magnets from demagnetisation.

Answer 1

Answer:

Magnets are stored with magnetic keepers because with time magnets tend to lose their magnetic behavior. This is called self-demagnetization. To avoid this, pieces of iron known as keepers are placed across both ends of a magnet.

Answer 2

Answer:

Hello

Explanation:

The best method to use in prevention of self-demagnetization of a permanent magnet is by use of a keeper. Keepers were also commonly known as amateurs. They help in storing magnets safely, especially those that have low coercivity ( magnets that are extremely susceptible to stray fields).