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Grade:

                        

acording to curies law in magnetism at very high temperature all the ferromagnetic substance loses its magnetism but if it so then why the iron the earth's crust doesnot loses its magnetism even though the temperature is too high there

9 years ago

Answers : (1)

Sudheesh Singanamalla
114 Points
							

Curie's law only holds for high temperatures and weak magnetic fields ,

the temperature in the earth's core might is very high but the magnetic field strength is also very high ! so curie's law is not applicable in this case

9 years ago
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