Properties and application of permanent magnetic materials, Electrical Engineering

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Give the properties and application of permanent magnetic materials.

Permanent magnetic materials:

Properties:

  • Permanent magnetic materials have a huge area of hysterisis loop.
  • They have large coercivity and retentivity.
  • High saturated values.
  • High residual magnetism
  • Permanent magnetic materials are hard to be magnetized.

Applications: Permanent magnetic materials are used to make permanent that finds application in electric machines, relays and measuring instruments, loudspeakers and microwave devices.


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