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Questions and Answers
What is the defining characteristic of a paramagnetic material?
What is the defining characteristic of a paramagnetic material?
- Presence of unpaired electron in an orbital (correct)
- Alignment of magnetic moments
- Natural magnetic field
- Coherent magnetic field
What happens to ferromagnetism in iron when the temperature is raised?
What happens to ferromagnetism in iron when the temperature is raised?
- It becomes diamagnetic
- It becomes antiferromagnetic
- It is destroyed and iron becomes paramagnetic (correct)
- It becomes stronger
How is free energy defined for the given problem?
How is free energy defined for the given problem?
- $F = E * TS$
- $F = E + TS$
- $F = E / TS$
- $F = E - TS$ (correct)
What is the energy of aligned pairs of atoms in the given problem?
What is the energy of aligned pairs of atoms in the given problem?
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What happens to the energy of misaligned pairs of atoms in the given problem?
What happens to the energy of misaligned pairs of atoms in the given problem?
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What type of material is attracted to an applied magnetic field?
What type of material is attracted to an applied magnetic field?
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What type of material has a natural magnetic field?
What type of material has a natural magnetic field?
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What happens to ferromagnetism in iron when the temperature is raised?
What happens to ferromagnetism in iron when the temperature is raised?
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What is the energy of aligned pairs of atoms in the given problem?
What is the energy of aligned pairs of atoms in the given problem?
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What is the defining characteristic of a paramagnetic material?
What is the defining characteristic of a paramagnetic material?
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