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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 battery charges a parallel plate capacitor seperated by distance(d) so that the energy
- An alternating emf given by equation
e=300 sin[(100 π)t] V
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
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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
- A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
- An alternating emf given by equation e=300 sin[(100 π)t] V
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
- The escape velocity of a body from earth’s surface is Ve. The escape velocity
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
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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