Question

2. Write the names of a mixture of permanent magnet? *

2 points

Your answer

3. Name the bar of pure iron which protects the magnet.​

Answer 1

Answer:

2.Alnico is a family of iron alloys which in addition to iron are composed primarily of aluminium (Al), nickel (Ni) and cobalt (Co), hence acronym al-ni-co. They also include copper, and sometimes titanium. Alnico alloys are ferromagnetic, and are used to make permanent magnets

3.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,

Answer 2

Answer:

2.Ans- A neodymium magnet

3.Ans-Armature