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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: - A solid sphere of mass M, radius R and having moment of inertia about an axis passing
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A long horizontal rod has a bead which can slide long its length
- Hydrogen atom in ground state is excited by a monochrmatic radiation of λ=975 Å
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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
- A solid sphere of mass M, radius R and having moment of inertia about an axis passing
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A long horizontal rod has a bead which can slide long its length
- Hydrogen atom in ground state is excited by a monochrmatic radiation of λ=975 Å
- Point masses m₁ and m₂ are placed at the opposite ends of a rigid rod of length L,
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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