Question

what are keepers answer in short​

Answer 1

Answer:

Keepers are small pieces of the soft iron core, placed across the poles of the magnet to help preserve the strength of the magnet by completing a magnetic circuit. A keeper protects the magnet from getting attracted to other pieces of metal as well.

Answer 2

Answer:

A magnet keeper, also known historically as an armature, is a bar made from magnetically soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have low magnetic coercivity, such as alnico magnets