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Sticky Note
Ferromagnetic materials are obtained from _____?
فیرومیگنیٹک مواد _____ سے حاصل کیا جاتا ہے؟
  1. Aluminum
  2. Nickel
  3. Copper
  4. None of these
Explanation
  • Ferromagnetic materials exhibit strong magnetism due to the alignment of magnetic domains.
  • Nickel (Ni) is a ferromagnetic material, along with iron (Fe) and cobalt (Co), whereas aluminum and copper are non-magnetic.

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