Question

from which alloy are magnets made


1.iron -cobalt
2. cobalt - nickel
3. nickel - iron
4. iron - cobalt - nickel ​

Answer 1

Step-by-step explanation:

Powerful magnets can be made of special alloys of aluminium, cobalt, copper, nickel and iron. Each magnet has a south pole and a north pole. An example of this is iron filings that have been recently affected by a magnetic field.

Answer 2

Alnico alloy, an iron alloy with aluminum, nickel and cobalt. Alnico alloys make strong permanent magnets. They are widely used in industrial and consumer electronics

so 2. Cobalt nickel!

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