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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: - At absolute temperature, the kinetic energy of the molecules
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The dimensional formula of Plancks’s constant and angular momentum are
- The two ends of a rod of length L and a uniform cross-sectional area
- Light of two different frequencies whose photons have energies 1eV
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At absolute temperature, the kinetic energy of the molecules
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The dimensional formula of Plancks’s constant and angular momentum are
- The two ends of a rod of length L and a uniform cross-sectional area
- Light of two different frequencies whose photons have energies 1eV
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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