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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: - Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- The molar specific heats of an ideal gas at constant pressure and volume are denoted
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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
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- The molar specific heats of an ideal gas at constant pressure and volume are denoted
- A tyre filled with air (27° C and 2 atm) bursts. The temperature of air is (ˠ=1.5)
- A body is thrown upward from ground covers equal distances
- When the temperature increases, the viscocity of
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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