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Simple phenomena of magnetism

Simple phenomena of magnetism

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Question 41

An electromagnet's core needs to be made from a temporary magnetic material (a soft magnetic material) so that it can be magnetized and demagnetized quickly. A permanent magnet needs to be made from a permanent magnetic material (a hard magnetic material) to retain its magnetism over time.

Which row correctly identifies a suitable material to make each of these?

Core of an electromagnetPermanent magnet
ASteelIron
BSteelSteel
CIronSteel
DIronIron
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

Simple phenomena of magnetism Questions

  1. IGCSE
  2. /Physics
  3. /Simple phenomena of magnetism

169 exam-style questions on CIE IGCSE Physics Simple phenomena of magnetism, covering Simple phenomena of magnetism. Each one has a worked solution and a mark scheme showing where the marks go.

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