Questions › Category: Mechanical Engineering › Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio
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) 30 : 20 : 30 : 20