AIPMT PRELIMS2011Physics-Magnetism

AIPMT PRELIMS 2011 Physics Magnetic Properties of Materials MCQ Question

Type: MCQ-conceptual-Medium-Class 12

There are four light-weight-rod samples, A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted:

(i) A is feebly repelled

(ii) B is feebly attracted

(iii) C is strongly attracted

(iv) D remains unaffected.

Which one of the following is true?

A

A is of a non-magnetic material

B

B is of a paramagnetic material

C

C is of a diamagnetic material

D

D is of a ferromagnetic material

Correct Answer

Option B

Detailed Explanation

Diamagnetic materials are feebly repelled, paramagnetic materials are feebly attracted, and ferromagnetic materials are strongly attracted.

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