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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: - The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- Stress to strain ratio is equivalent to
- If a small amount of antimony is added to germanium crystal
- The moment of inertia of a rod about an axis through its centre and perpendicular
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- Stress to strain ratio is equivalent to
- If a small amount of antimony is added to germanium crystal
- The moment of inertia of a rod about an axis through its centre and perpendicular
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
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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