← Physics (0625)
Q1 / 5
Simple magnetism
Foundation
2 marks
What is the difference between a permanent magnet and an electromagnet?
A
Permanent: always magnetic (hard material); Electromagnet: switchable, needs current, soft iron core
B
Both are always magnetic; only size differs
C
Electromagnets are stronger but cannot be switched off
D
Permanent magnets require electrical current
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