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Questions and Answers
What determines the magnetization of ferromagnets?
What determines the magnetization of ferromagnets?
- The present external field
- The whole magnetic 'history' of the object (correct)
- The atomic nuclei
- The random orientation of the atoms
What are all magnetic phenomena due to?
What are all magnetic phenomena due to?
- Static electric charges
- Atomic nuclei
- Electric charges in motion (correct)
- Magnetic fields
How do magnetic dipoles in a material behave when a magnetic field is applied?
How do magnetic dipoles in a material behave when a magnetic field is applied?
- They repel each other
- They align and the medium becomes magnetically polarized (correct)
- They cancel each other out
- They reverse their orientation
In which direction do some materials acquire magnetization parallel to B?
In which direction do some materials acquire magnetization parallel to B?
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What are magnetic dipoles treated as for macroscopic purposes?
What are magnetic dipoles treated as for macroscopic purposes?
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