Induced magnetism
2 marks · NormalGive two ways to show that a material is magnetically soft.
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1. It is easy to magnetise when placed in a magnetic field. 2. It quickly loses its magnetism when the field is removed.
Also accept: It is easy to both magnetise and demagnetise
Common mistakes: Mixing magnetically soft with hard
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Marking points
B1 · 1 mark · States it is easy to magnetise.
B2 · 1 mark · States it is easy/quick to demagnetise.
Worked solution
A magnetically soft material, like iron, is easily magnetised by a magnetic field, and loses its magnetism when the field is removed.