Q32Multiple choice
A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field becuase ________.
- (i)all the domains get oriented in the direction of magnetic field.
- (ii)all the domains get oriented in the direction opposite to the direction of magnetic field.
- (iii)domains get oriented randomly.
- (iv)domains are not affected by magnetic field.
Show answer
(i) all the domains get oriented in the direction of magnetic field.