Question

Which alloy Steel is used for making permanent magnets ?

• A. Alnico
• B. Nichrome
• C. Stainless steel
• D. Iron

Answer 1

Answer:

A. Alnico

Alnico

• To make powerful magnets, an alloy called 'Alnico' is used.
• Alnico is an alloy of aluminum (Al), nickel (Ni) and cobalt (Co).
• The name 'Alnico' is derived from the symbols of these elements.