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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