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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: - The moment of inertia of a thin uniform rod of mass M and length L about an axis
- A solid cylinder of mass M and radius R rolls without slipping down and inclined plane
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
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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 moment of inertia of a thin uniform rod of mass M and length L about an axis
- A solid cylinder of mass M and radius R rolls without slipping down and inclined plane
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
- The operation of a nuclear reactor is said to be critical, if the multiplication
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
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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