Question

Q.A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic
field because
A. all domains get oriented in the direction of magnetic field
B. all domains get oriented in the direction opposite to the direction of magnetic field
C. Domains get oriented randomly
D. Domains are not affected by the magnetic field
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Answer 1

Answer:

when a ferromagnetic substance is placed in a magnetic field it becacomes a permanent mangnet magnet because all the dominas get oriented in the directions of magnetic field even after removal of applied magnetic field.

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