can bar magnet retain it's magnetism, if heated ti 1000C &cooled in magnetic feild free space? Reason

Asked by BAKHORI AZAD | 23rd Aug, 2010, 09:40: PM

Expert Answer:

Depends upon the what the bar magnet is made up of. It is usually made of iron or steel, but it can also be made of any ferromagnetic substance or a ferromagnetic composite.
If it's iron bar mangnet then it'll not retain it's magnetism upon heating upto 1000 oC.

Answered by  | 24th Aug, 2010, 11:04: AM

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