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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?
Options
(a) B is of a paramagnetic material
(b) C is of a diamagnetic material
(c) D is of a ferromagnetic material
(d) A is of a non-magnetic material
Correct Answer:
B is of a paramagnetic material
Explanation:
A → diamagnetic
B → paramagnetic
C → Ferromagnetic
D → Non magnetic
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At what temperature will the rms speed of air molecules be double that of NTP?
- The dimensional formula of Plancks’s constant and angular momentum are
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
- A soap bubble is charged to a potential 12V. If its radius is doubled,
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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