Q. Which of the following are ferromagnetic materials? (Solved)
1. Aluminium, iron, copper
2. Iron, copper, nickel
3. Copper, aluminium, silver
4. Iron, cobalt, nickel
- d. Iron, cobalt, nickel
1. Aluminium, iron, copper
2. Iron, copper, nickel
3. Copper, aluminium, silver
4. Iron, cobalt, nickel