Which among the following is/are classified as a ferromagnetic material?
1. Iron
2. Copper
3. Aluminium
4. Calcium
5. Nickel
Select the correct answer using the codes given below.
1
2, 3 and 5 only
2
1 and 5 only
3
1, 4 and 5 only
4
1, 2, 3 and 5 only