Question:
A material is pushed out when placed in a uniform magnetic field. The material is
A material is pushed out when placed in a uniform magnetic field. The material is
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A diamagnetic material has negative susceptibility and is repelled by the field.
Updated On: Oct 27, 2026
- non-magnetic
- diamagnetic
- paramagnetic
- ferromagnetic
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The Correct Option is B
Solution and Explanation
Step 1: Recall the behaviour of magnetic materials:
A material placed in a magnetic field gets magnetised. Its magnetisation \( \vec{M} \) can be along the field or against it.
If the magnetisation is against the field, the field inside the material is weaker than outside. The material moves from the strong field side towards the weak side.
Step 2: Match with the description:
A diamagnetic material has negative susceptibility. It is weakly repelled by the field, so it is pushed out of a magnetic field.
A paramagnetic material has small positive susceptibility. It is weakly attracted and tends to move into the stronger field.
A ferromagnetic material is strongly attracted and it moves in. A non-magnetic material does not respond to the field, so it feels no force.
Final Answer:
The material is diamagnetic, option (B).
A material placed in a magnetic field gets magnetised. Its magnetisation \( \vec{M} \) can be along the field or against it.
If the magnetisation is against the field, the field inside the material is weaker than outside. The material moves from the strong field side towards the weak side.
Step 2: Match with the description:
A diamagnetic material has negative susceptibility. It is weakly repelled by the field, so it is pushed out of a magnetic field.
A paramagnetic material has small positive susceptibility. It is weakly attracted and tends to move into the stronger field.
A ferromagnetic material is strongly attracted and it moves in. A non-magnetic material does not respond to the field, so it feels no force.
Final Answer:
The material is diamagnetic, option (B).
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