Ferromagnetic materials are obtained from _____?

فیرومیگنیٹک مواد _____ سے حاصل کیا جاتا ہے؟

Aluminum

Nickel

Copper

None of these

Ferromagnetic materials exhibit strong magnetism due to the alignment of magnetic domains.

Nickel (Ni) is a ferromagnetic material, along with iron (Fe) and cobalt (Co), whereas aluminum and copper are non-magnetic.