Ferro magnetic materials used in transformer must have

Ferromagnetic materials used in a transformer must have

Ferromagnetic substance used in a transformer must have

There are two magnets P and T, P is used as permanent magnet while T is used in transformers. Then correct options are

There are two magnets P and T, P is used as permanent magnet while T is used in transformers. Then correct options are

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

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

At Curie point, a ferromagnetic material transforms into: