Question

why iron is used for making temporary magnets?

Answer 1

Answer:

Iron gets magnetized faster but loses its magnetism as soon as the inducing magnet is removed. Hence soft iron is said to have high susceptibility but low retentivity. This property of soft iron is very useful in making temporary electromagnets where we need strong but temporary magnets.

Answer 2

Answer:

Iron as a temporary magnet:

Iron can be easily magnetised or demagnetised (soft magnetic material. It can even be magnetized by a weak magnetic field. it is therefore suitable to be used in temporary magnets. ... Electromagnets lose its magnetism when it is removed from magnetising fields.

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