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Questions and Answers
Which aspect of electromagnetism is responsible for most of the effects of magnetism encountered in everyday life?
Which aspect of electromagnetism is responsible for most of the effects of magnetism encountered in everyday life?
- Paramagnetism
- Antiferromagnetism
- Diamagnetism
- Ferromagnetism (correct)
Which materials are strongly attracted by magnetic fields and can be magnetized to become permanent magnets?
Which materials are strongly attracted by magnetic fields and can be magnetized to become permanent magnets?
- Antiferromagnetic materials
- Ferromagnetic materials (correct)
- Paramagnetic materials
- Diamagnetic materials
Which materials have a more complex relationship with a magnetic field, showing neither strong attraction nor repulsion?
Which materials have a more complex relationship with a magnetic field, showing neither strong attraction nor repulsion?
- Diamagnetic materials
- Paramagnetic materials
- Ferromagnetic materials
- Antiferromagnetic materials (correct)
Which substances are weakly attracted to an applied magnetic field?
Which substances are weakly attracted to an applied magnetic field?
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What gives rise to a magnetic field, making it one of the aspects of electromagnetism?
What gives rise to a magnetic field, making it one of the aspects of electromagnetism?
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Study Notes
Magnetic Fields and Materials
- The magnetic field aspect of electromagnetism is responsible for most of the effects of magnetism encountered in everyday life.
Materials and Magnetism
- Ferromagnetic materials, such as iron, nickel, and cobalt, are strongly attracted by magnetic fields and can be magnetized to become permanent magnets.
- Paramagnetic materials, such as aluminum, oxygen, and potassium, have a more complex relationship with a magnetic field, showing neither strong attraction nor repulsion.
- Diamagnetic materials, such as copper, silver, and gold, are weakly attracted to an applied magnetic field.
Sources of Magnetic Fields
- Electric currents give rise to a magnetic field, making it one of the aspects of electromagnetism.
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