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Question

List the difference between permanent and temporary magnets.


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Solution

Permanent magnets

Temporary magnets

  1. Magnetic properties retain for a long period.
  1. Magnetic properties can't retain without a magnetised field.
2. It's can retain its magnetic properties once they are magnetised. 2. It behaves magnetically only in the presence of the magnetizing field and looks withdrawn.
3. Use in devices such as compass, microphones, loudspeakers3. Use electric motor, doorbells, and transformers.

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