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

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Academy of PakistanTest & Learning

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170Mechanical EngineeringMedium

A50 : 10 : 20 : 20

B50 : 20 : 20 : 10

C40 : 30 : 20 : 10

D30 : 20 : 30 : 20

E50 : 20 : 10 : 20

Correct answer

B. 50 : 20 : 20 : 10

Explanation

The correct answer is 50 : 20 : 20 : 10.

Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio ________? - Answer and Explanation | Academy of Pakistan