Podcast
Questions and Answers
What is the direction of the magnetic dipole moment (m) for simple magnets?
What is the direction of the magnetic dipole moment (m) for simple magnets?
- From the north to the south pole of the magnet
- From the surface of the magnet inwards
- From the south to the north pole of the magnet (correct)
- From the center of the magnet outwards
What type of materials are permanent magnets made of?
What type of materials are permanent magnets made of?
- Diamagnetic materials
- Ferromagnetic materials (correct)
- Paramagnetic materials
- Non-magnetic materials
What happens when a bar magnet is flipped?
What happens when a bar magnet is flipped?
- Its magnetic field becomes non-existent
- Its magnetic field becomes stronger
- Its magnetic dipole moment (m) is reversed
- Its magnetic dipole moment (m) is rotated by 180 degrees (correct)
How is the magnetic field of larger magnets obtained?
How is the magnetic field of larger magnets obtained?
What are the two simplified models for the nature of magnetic dipoles?
What are the two simplified models for the nature of magnetic dipoles?
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