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Questions and Answers
What is the most notable property of a magnet?
What is the most notable property of a magnet?
- It produces a force that pushes other magnets away
- It generates electricity when in contact with other materials
- It creates a visible magnetic field
- It attracts or repels other magnets and ferromagnetic materials (correct)
What is a permanent magnet?
What is a permanent magnet?
- A magnet that only attracts rare-earth metals
- A magnet that can be easily demagnetized
- An object made from a material that is magnetized and creates its own persistent magnetic field (correct)
- A magnet that requires an external magnetic field to remain magnetized
Which of the following are examples of ferromagnetic materials?
Which of the following are examples of ferromagnetic materials?
- Iron, nickel, and cobalt (correct)
- Plastic and glass
- Aluminum and copper
- Silver and gold
What are the two categories of ferromagnetic materials based on their magnetization properties?
What are the two categories of ferromagnetic materials based on their magnetization properties?
What type of materials respond weakly to a magnetic field?
What type of materials respond weakly to a magnetic field?
Flashcards
Permanent Magnet
Permanent Magnet
A material that produces its own persistent magnetic field.
Ferromagnetic Materials
Ferromagnetic Materials
Materials that are strongly attracted to magnets, like iron, nickel, and cobalt.
Magnetic Property
Magnetic Property
The ability of a magnet to attract or repel other magnets and ferromagnetic materials.
Magnetically 'Soft' Materials
Magnetically 'Soft' Materials
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Magnetically 'Hard' Materials
Magnetically 'Hard' Materials
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