Q. Magnetic keepers are used to protect magnets from :
β
Correct Answer: (C)
Self-demagnetization
Explanation: Magnetic keepers are soft iron bars placed at either end of the pair of magnets. It is used to avoid self-demagnetisation of magnets.
Explanation by: Team MCQ Buddy
Magnetic keepers are soft iron bars placed at either end of the pair of magnets. It is used to avoid self-demagnetisation of magnets.