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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