Question
Download Solution PDFOn heating a ferromagnetic substance above Curie temperature
Answer (Detailed Solution Below)
Option 1 : becomes paramagnetic
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Detailed Solution
Download Solution PDFCONCEPT:
- Curie Temperature: It is the temperature at which a magnetic material undergoes a sharp change in its magnetic properties.
- Above this temperature, some materials lose their magnetism.
- Above this temperature, ferromagnetic material becomes paramagnetic.
- Above this temperature, some materials lose their magnetism.
EXPLANATION:
- When a ferromagnetic material is heated to Curie temperature, it disrupts the arrangements of the molecules and a weak magnetic behavior remains.
- This weak magnetic behavior is called Paramagnetic.
- Above this temperature, the paramagnetism property also decreases.
- Upon cooling, it regains its ferromagnetic behavior.
- So the correct answer is option 1.
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