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

JAMB Physics 2023 58 views

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. ✓

Explanation

This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.

Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.

Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.

pastquestions.ng