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
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
