Question

Which is an example of a magnetic substance?
(a) Iron
(b) Nickel
(c) Cobalt
(d) All of these​

Answer 1

The correct answer is (d) All of these

• A magnet is a magnetic field-producing material or item.

• This invisible magnetic field is responsible for a magnet's most notable property: a force that attracts or repels other ferromagnetic materials such as iron, steel, nickel, cobalt, and other magnets which are considered its examples.