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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 ]
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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 body starts from rest, what is the ratio of the distance travelled by the body
- The Davisson- Germer experiment is the direct evidence of
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- A generator at a utility company produces 100 A of current at 4000 V. The voltage
- The molar specific heats of an ideal gas at constant pressure and volume are denoted
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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