Which of the following substances do not lose their magnetic properties when external magnetic field is removed?

Paramagnetic

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Diamagnetic

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Ferromagnetic

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None of these

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Solution

The correct option is C
Ferromagnetic

Ferromagnetic properties retain their magnetic properties even the external magnetic field is removed. All the magnets we see around are made up of ferromagnetic materials.

Where as paramagnetic and diamagnetic are temporarily show their magnetic properties and once the external magnetic field is removed ,they cant retain their magnetic properties.

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Similar questions

Which of the following statements are correct ?

(a) Ferrimagnetic substances lose ferrimagnetism on heating and become paramagnetic

(b) Ferrimagnetic substances do not lose ferrimagnetism on heating and remain ferrimagnetic

(c) Antiferromagnetic substances have domain structures similar to ferromagnetic substances and their magnetic moments are not cancelled by each other

(d) In ferromagnetic substances, all the domains get oriented in the direction of magnetic filed and remain as such even after removing magnetic field

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