Answer: paramagnetic.
- A paramagnetic
- B diamagnetic
- C a permanent magnet
- D completely non-magnetic
Correct answer: A. paramagnetic
Explanation: Thermal agitation destroys the aligned domains, so the material turns paramagnetic above the Curie point.
Magnetic field of a bar magnet: field lines emerge from the north pole and re-enter at the south pole outside the magnet, forming continuous closed loops. Image: Geek3, CC BY-SA 3.0, via Wikimedia Commons.
Concept context
Bar magnets, Earth's magnetism, and how different materials respond to an external magnetic field - diamagnetic, paramagnetic, and ferromagnetic behaviour.