Simple phenomena of magnetism — State

Question
Question

State the differences between the properties of temporary magnets (soft iron) and permanent magnets (steel).

Answer

Soft iron is easy to magnetise but also loses its magnetism easily (quickly demagnetised), so it is used for temporary magnets, such as electromagnet cores. Steel is harder to magnetise, but once magnetised it retains its magnetism well, so it is used for permanent magnets.

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