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11/09/2020 9:02 pm
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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 magnetic field
(b) all the domains get oriented ill the direction opposite to the direction of magnetic field
(c) domains get oriented randomly
(d) domains are not affected by magnetic field.
1 Answer
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11/09/2020 9:04 pm
(a) all the domains get oriented in the direction of magnetic field
Explanation:
Ferromagnetic solids can be permanently magnetised and then all the domains get oriented in the direction of applied magnetic field.