A

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Q. Magnetic keepers are used to protect magnets from :

  • (A) Earth's magnetic field
  • (B) Effect of other magnets
  • (C) Self-demagnetization
  • (D) Demagnetization due to heating
  • Correct Answer - Option(C)
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  • Filed under category Physics
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Explanation by: Admin

Magnetic keepers are soft iron bars placed at either end of the pair of magnets. It is used to avoid self-demagnetisation of magnets.

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