What type of magnetism is shown by a substance if magnetic moments of domains are arranged in same direction?

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Solution

The substance shows ferromagnetism as their magnetic moments are added to each other if the individual magnetic moments of domains of the atoms are aligned with one another and they point in the same direction.

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Q. What type of magnetism is shown in the following alignment of magnetic moments?

Q. Ferrimagnetic is observed when the magnetic moments of the domains in the substance are ?

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

(a) all the domains get oriented in the direction of a magnetic field

(b) all the domains get oriented in the direction opposite to the direction of a magnetic field

(d) domains are not affected by a magnetic field

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

The value of magnetic moment is zero in the case of antiferromagnetic substances because the domains ...........

(a) get oriented in the direction of the applied magnetic fiels

(b) get oriented opposite to the direction of the applied magnetic fiels

(d) cancel out each other's magnetic moment

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