NEET Physics Magnetic Properties of Materials MCQ Question
Consider a diagram showing a bar of paramagnetic material placed in an external magnetic field . Which of the following correctly describes the behavior of the field lines within the material?
The field lines are slightly concentrated inside the material.
The field lines are completely expelled from the material.
The field lines remain unchanged inside the material.
The field lines are highly concentrated, increasing by several orders of magnitude.
Correct Answer
Detailed Explanation
In a paramagnetic material, the external field lines are slightly concentrated inside the material due to the alignment of atomic dipoles, enhancing the field by a small amount, typically one part in 10^5.
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