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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 body starts from rest, what is the ratio of the distance travelled by the body
- A block of mass m1 rests on a horizontal table. A light string connected
- The breaking stress of a wire depends upon
- A photocell employs photoelectric effect to convert
- Three particles A,B and C are thrown from the top of a tower with the same speed.
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body starts from rest, what is the ratio of the distance travelled by the body
- A block of mass m1 rests on a horizontal table. A light string connected
- The breaking stress of a wire depends upon
- A photocell employs photoelectric effect to convert
- Three particles A,B and C are thrown from the top of a tower with the same speed.
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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