Which of the following alloys is used for making magnets :

Options :
  1. Duralumin
  2. Stainless steel
  3. Magnalium
  4. Alnico

Answer and Explanation :-

Answer: Option 4


Alnico is composed of Aluminium,Nickel and Cobalt. They are ferromagnetic with a higher coercivity and are used to make permanent magnets.

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