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O-LevelPhysicsMagnetism5054/11 · May/June 2010 · Q241 Mark

Which properties make materials suitable for use as a core in an electromagnet?

Adifficult to magnetise and easy to demagnetise

Bdifficult to magnetise and retains magnetic strength

Ceasy to magnetise and retains magnetic strength

Deasy to magnetise and easy to demagnetise

✓ Correct answer

D: easy to magnetise and easy to demagnetise

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About this question

Topic: Magnetism, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2010 Paper 1 Variant 1, question 24.

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