Question
Question: A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because …...
A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because ………. .
A
All the domains get oriented in the directions of magnetic field
B
All the domains get oriented in the directions opposite to the directions randomly
C
Domains get oriented randomly
D
Domains are not affected by magnetic field
Answer
All the domains get oriented in the directions of magnetic field
Explanation
Solution
When ferromagnetic substance is placed in a magnetic field , all the domains get oriented in the directions of the magnetic field.