Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a diagram showing a ferromagnetic material placed in a non-uniform magnetic field. What is the expected behavior of the material when the external magnetic field is removed?
A
The material will completely lose its magnetization.
B
The material will retain some magnetization.
C
The domains will randomly reorient themselves.
D
The material will demagnetize slowly over time.
Correct Answer
Option B
Detailed Explanation
Ferromagnetic materials like Alnico can retain their magnetization even after the external magnetic field is removed, as they are hard magnetic materials.
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