Materials having good retentivity are? Options: A . &nbspStrong magnets B . &nbspWeak magnets C . &nbspTemporary magnets D . &nbspPermanent magnets

Materials having good retentivity are?

Question

Materials having good retentivity are?

Options:

A . Strong magnets

B . Weak magnets

C . Temporary magnets

D . Permanent magnets

Answer: Option D
Answer: (d).Permanent magnets

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