KCET · Physics · Magnetic Properties of Matter
In a permanent magnet at room temperature
- 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
Answer & Solution
Correct Answer
(D) domains are all perfectly aligned
Step-by-step Solution
Detailed explanation
At room temperature, all domains of permanent magnet are perfectly aligned like ferromagnetic material.
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