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A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment µ is given by
Options
(a) qvR²
(b) qvR² / 2
(c) qvR
(d) qvR / 2
Correct Answer:
qvR² / 2
Explanation:
Magnetic moment, m = IA
qv / 2πR (πR²) = qvR / 2
[ I = q/T and T = 2πR / v ]
Related Questions: - A particle is dropped vertically from rest, from a height.The time taken by it to fall
- Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
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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 particle is dropped vertically from rest, from a height.The time taken by it to fall
- Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
- Water drops fall from a top on the floor 5 m below at regular intervals
- With what minimum acceleration can a fireman slide down a rope while breaking
- The name of ions knocked out from the hot surface 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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