Which of the following is a difference between temporary and permanent magnets?

JAMB Physics 2023 269 views
Source: JAMB · 2023

Which of the following is a difference between temporary and permanent magnets?

  1. Temporary magnets are made of soft magnetic materials, while permanent magnets are made of hard magnetic materials.
  2. Temporary magnets lose their magnetism when the magnetic field is removed, while permanent magnets retain their magnetism for a long period of time.
  3. Temporary magnets are weaker than permanent magnets.
  4. All of the above. ✓

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