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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
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
- Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm
- A stone tied to the end of a string of 1 m long is whirled in a horizontal circle
- On a frictionless surface, a block of mass M moving at speed v collides elastically
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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