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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 simple pendulum has a time period T₁ when on the earth’s surface and T₂ When taken
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- ₆C¹⁴ absorbs an energitic neutron and emits beta particles. The resulting nucleus is
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
- Find the right condition(s) for Fraunhofer diffraction due to a single slit.
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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