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Question
Explain the meaning of the following statement:
Curie temperature for soft iron is 770°C.
Solution
The temperature at which a ferromagnetic material turns paramagnetic is known as the Curie temperature. Soft iron turns paramagnetic around 770°C.
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Reason: At Curie point a ferromagnetic substance start behaving as a paramagnetic substance.
- Assertion (A): Diamagnetic substances exhibit magnetism.
- Reason (R): Diamagnetic materials do not have a permanent magnetic dipole moment.
