What type of magnetic material is used in making permanent magnets ?

Why should the materials used for making permanent magnets have high coercivity ?

Which materials are used in making magnetic compass needle?

What types of materials are used for making thermistor?

What kind of ferromagnetic material is used for coating magnetic tapes in a cassette player, or for building 'memory stores' in modern computer ?

The substance used for making permanent magnet is

What is magnetic flux?

Why do we prefer to use alnico for making permanent magnet ?

What are magnetic poles?

What are magnetic poles.