Home Physics Magnetism and Matter JEE Main 2021 - ( Magnetism ) A soft ferromagnetic material is placed in a…
Physics Magnetism and Matter JEE Main 2021 - ( Magnetism ) MCQ (Single Correct)

A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains:

A
decrease in size and changes orientation.
B
may increase or decrease in size and change its orientation.
C
increase in size but no change in orientation.
D
have no relation with external magnetic field

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Verified by Experts
The correct answer is:
B

JEE main 2021

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.

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