Question

what is the composition of the alloy nipermag ?

Answer 1

I think iron,aluminium,nickel and cobalt

Answer 2

Hey!!

Nipermag also known as Alnico, is made up of

1) Aluminum

2) Nickel

3) Cobalt

So you can derive the name Alnico : ALuminum NIckel CObalt.
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Hope it helps ^_^