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Chapter 15: Problem 54

In which type of materials the magnetic susceptibility does not depend on temperature? (A) Diamagnetic (B) Paramagnetic (C) Ferromagnetic (D) Ferrite

Short Answer

Expert verified
The magnetic susceptibility does not depend on temperature in (A) Diamagnetic materials.

Step by step solution

01

Diamagnetic materials

Diamagnetic materials are those materials that have no permanent magnetic dipoles and don't align with an external magnetic field. Their magnetic susceptibility is typically small and negative, which tends to be independent of temperature. 2.
02

Paramagnetic materials

Paramagnetic materials have unpaired electrons in their atomic or molecular structure that align with an external magnetic field, leading to a weak magnetic attraction. For these materials, the magnetic susceptibility is small and positive, and it is inversely proportional to the temperature as given by Curie's law. 3.
03

Ferromagnetic materials

Ferromagnetic materials possess permanent magnetic dipoles and are strongly attracted to an external magnetic field due to their large positive magnetic susceptibility. However, in ferromagnetic materials, the magnetic susceptibility depends on temperature and decreases as the temperature increases. 4.
04

Ferrite materials

Ferrite materials are a type of ceramic magnetic material composed of iron oxide and other metal oxides. They are generally characterized by their magnetic properties, which are similar to those of ferromagnetic materials. Like ferromagnetic materials, their magnetic susceptibility is temperature dependent.
05

Conclusion

Based on the analysis of each type of material, the correct answer is (A) Diamagnetic materials. Their magnetic susceptibility does not depend on temperature, unlike the other three options.

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