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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: - In electromagnetic wave, according to Maxwell, changing electric field gives
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
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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
- In electromagnetic wave, according to Maxwell, changing electric field gives
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
- A body is placed in an insulating container at temperature 227⁰C.
- A steady current of 1.5 amp flows through a copper voltmeter for 10 minutes
- The dual nature of light is exhibited by
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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