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Question
Physics
A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains :
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Q. A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains :
JEE Main
JEE Main 2021
Magnetism and Matter
A
increase in size but no change in orientation
B
have no relation with external magnetic field
C
decrease in size and changes orientation
D
may increase or decrease in size and change its orientation
Solution:
Soft ferromagnetic materials are materials which can be easily magnetised and demagnetised by external magnetic field. When external field is applied, the domains experiences a net torque hence change its orientation.