KCET · Physics · Magnetic Properties of Matter
If a paramagnetic bar is brought near a bar magnet, then it is
- A Attracted by both the poles of the bar magnet
- B Repelled by both the poles of the bar magnet
- C Attracted by the South-pole and repelled by the North-pole of the bar magnet
- D Attracted by the North-pole and repelled by the South-pole of the bar magnet
Answer & Solution
Correct Answer
(A) Attracted by both the poles of the bar magnet
Step-by-step Solution
Detailed explanation
Paramagnetic materials have a tendency to move from a region of weak magnetic field to a region of strong magnetic field.
When a paramagnetic bar is brought near either pole of a bar magnet, it gets weakly magnetized in the direction of the external magnetic field.
This induced magnetization causes the near end of the bar to develop an opposite magnetic polarity to that of the adjacent pole of the bar magnet.
Therefore, the paramagnetic bar is attracted by both the North and South poles of the bar magnet.
Answer: Attracted by both the poles of the bar magnet
When a paramagnetic bar is brought near either pole of a bar magnet, it gets weakly magnetized in the direction of the external magnetic field.
This induced magnetization causes the near end of the bar to develop an opposite magnetic polarity to that of the adjacent pole of the bar magnet.
Therefore, the paramagnetic bar is attracted by both the North and South poles of the bar magnet.
Answer: Attracted by both the poles of the bar magnet
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