Physics · May / June 2019 · Paper 11 · Question 28
5054Simple magnetism and magnetic fields
A student investigates a permanent magnet by suspending paper clips from the magnet as shown. Which statement is correct?
- AEach paper clip has a S-pole at the top and a N-pole at the bottom when suspended from the permanent magnet.
- BIf the paper clips are made of soft iron they become demagnetised when the permanent magnet is removed.
- CIf the paper clips are made of steel they become demagnetised when the permanent magnet is removed.
- DMore paper clips can be suspended from the N-pole.
As printed in the paper
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Correct answer: B. If the paper clips are made of soft iron they become demagnetised when the permanent magnet is removed.
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