The materials having low retentivity are suitable for making_____________?
Correct answer: B. temporary magnets
- A. weak magnets
- B. temporary magnets
- C. permanent magnets
- D. none of the above
Explanation
Low retentivity means the material loses most of its magnetism when the magnetising force is removed. Such materials are suitable for temporary magnets, whereas permanent magnets require high retentivity.
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