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282

Q:

What are modern powerful magnets made of?

  • 1
    Iron compounds
  • 2
    Ferromagnetic materials
  • 3
    Alloys of aluminium, cobalt and nickel
  • 4
    Alloys of iron, cobalt and nickel
  • Show Answer
  • Workspace

Answer : 3. "Alloys of aluminium, cobalt and nickel"
Explanation :

The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.

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