A ferromagnetic substance becomes a permanent

Question:

A ferromagnetic substance becomes a permanent magnet when it is placed in

a magnetic field because ________.

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

(ii) all the domains get oriented in the direction opposite to the direction of

the magnetic field.

(iii) domains get oriented randomly.

(iv) domains are not affected by the magnetic field.

Solution:

Option (i) all the domains get oriented in the direction of the magnetic field is the answer.

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