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Question: Answered & Verified by Expert
In a permanent magnet at room temperature
PhysicsMagnetic Properties of MatterKCETKCET 2020
Options:
  • A magnetic moment of each molecule is zero
  • B the individual molecules have non-zero magnetic moment which are all perfectly aligned
  • C domains are partially aligned
  • D domains are all perfectly aligned
Solution:
1368 Upvotes Verified Answer
The correct answer is: domains are all perfectly aligned
At room temperature, all domains of permanent magnet are perfectly aligned like ferromagnetic material.

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