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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 upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A charged particle of mass m and charge q moves along a circular path of radius
- The kinetic energy of an electron in the first excited state is
- Ice is wrapped in black and white cloth. In which cases more ice will melt
- An amplifier has a voltage gain Av=1000. The voltage gain in dB is
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A charged particle of mass m and charge q moves along a circular path of radius
- The kinetic energy of an electron in the first excited state is
- Ice is wrapped in black and white cloth. In which cases more ice will melt
- An amplifier has a voltage gain Av=1000. The voltage gain in dB is
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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