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A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole It:
Options
(a) will become rigid showing no movement
(b) will stay in any position
(c) will stay in north-south direction only
(d) will stay in east-west direction only
Correct Answer:
will stay in any position
Explanation:
Since magnetic field is in vertical direction and needle is free to rotate in horizontal plane only so magnetic force cannot rotate the needle in horizontal plane so needle can stay in any position.
Related Questions: - Which of the following statements is correct?
- The work done in which of the following processes is equal to the change in internal energy
- Photon of frequency ν has a momentum associated with it. If c is the velocity
- A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei
- A glass slab consists of thin uniform layers of progressively decreasing refractive
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following statements is correct?
- The work done in which of the following processes is equal to the change in internal energy
- Photon of frequency ν has a momentum associated with it. If c is the velocity
- A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei
- A glass slab consists of thin uniform layers of progressively decreasing refractive
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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