Question

Which of the following are magnetic materials Copper, Silicon-steel,Mica,Cobalt,Aluminium,Nickel,Wood

Answer 1

Hello buddy,
First let's define what are magnetic and non-magnetic substances then we'll classify the given list.

◆ Magnetic substances -
The substances which are attracted by a magnet are called magnetic substances.

For example -
- Iron*
- Nickel
- Cobalt
- Steel

◆ Non-magnetic substances -
The substances which are not attracted by a magnet are called non-magnetic substances.

For example -
- Copper
- Silicon
- Mica
- Aluminum
- Wood

Hope it helps you...

Answer 2

- Iron

- Nickel

- Cobalt

- Steel. ... are only magnetic material