MCQ
Permanent magnets are the substances having the property of:
  • Ferromagnetism at room temperature for a long period of time.
  • B
    Paramagnetism at room temperature for a long period of time.
  • C
    Anti ferromagnetism at room temperature for a long period of time.
  • D
    Diamagnetism at room temperature for a long period of time.

Answer

Correct option: A.
Ferromagnetism at room temperature for a long period of time.

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