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12 Magnetism and the motor effect

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Question 50
F

A compass needle must remain magnetised during use. A temporary magnet must lose most of its magnetism when the magnetising field is removed. Which pair of materials is suitable?

[1]
A

Compass needle: copper; temporary magnet: iron.

B

Compass needle: steel; temporary magnet: copper.

C

Compass needle: steel; temporary magnet: iron.

D

Compass needle: iron; temporary magnet: steel.

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12 Magnetism and the motor effect Questions

  1. GCSE
  2. /Physics
  3. /12 Magnetism and the motor effect

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