Shown on the right are the magnetic domains of some iron bar magnet, and the tab

Question

Shown on the right are the magnetic domains of some iron bar magnet, and the table below gives the magnitude of the magnetization of each domain: /m (arrows not drawn to scale) Given the magnetization of each domain, the direction of the total magnetization of the bar magnet is in the leftward direction. n on moget i heated pas: ioars Curie mperature, what wl blthe most lkely drecaio of the total magnetization? O Downward O Zero (no magnetization) O Upward O Rightward O Leftward 0 Previous 0 Next €] Save And Exit about us careers privacy policy terms of use

Explanation / Answer

Above the Curie temperature, the magnet looses its permanenent magnetism. As such, the total magnetization (in the absence of the external magnetic field) will be zero above the iron's (magnet's) Curie temperature. There will be no net magnetization of the bar magnet and instead of showing ferromagnetic behaviour now behaves like a paramagnet.

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