Multiple choice

Which alloy is used for making permanent magnet?

  1. Steel

  2. Brass

  3. Topar

  4. Core iron

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A Correct answer
Explanation

Steel is commonly used for making permanent magnets because it retains magnetism well and is durable. While modern permanent magnets often use alloys like ALNICO (aluminum-nickel-cobalt), steel remains a practical and widely used material for permanent magnets due to its ferromagnetic properties and cost-effectiveness.

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