Physics · Magnetism and Magnetic Materials
Which of the following statements is INCORRECT regarding hard magnetic materials?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hard magnets are typically used to make permanent magnets.
- 2Hard magnets are easily magnetised and demagnetised.✓
- 3Hard magnets have high coercivity and retain magnetism for long periods.
- 4Hard magnets are made from materials such as cobalt and rare-earth alloys.
Correct answer
Hard magnets are easily magnetised and demagnetised.
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