Assertion : On heating ferrimagnetic or...

Assertion : On heating ferrimagnetic or ferromagnetic substance , they become paramagnetic
Reason :The electrons change their spin on heating

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Assertion : On heating ferromagnetic or ferromagnetic substance , they become paramagnetic Reason :The electrons change their spin on heating

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A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because:

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Define: (i) ferromagnetic (ii) ferrimagnetic and (iii) anti-ferromagnetic substance. Give one example of each substance.

What happens when a ferromagnetic substance is heated at very high temperature?

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