Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio

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Manisha Agrawal

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Q. Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio

(A) 50 : 20 : 20 : 10
(B) 40 : 30 : 20 : 10
(C) 50 : 20 : 10 : 20
(D) 50 : 10 : 20 : 20.

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✅ Correct Answer: (A) 50 : 20 : 20 : 10

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