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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
- Kepler’s third law states that square of period of revolution (T) of a planet
- In intrinsic semiconductor at room temperature number of electrons and holes are
- A ballon rises from rest with a constant acceleration g/8. A stone is released
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- In nuclear fusion, two nuclei come together to form a large nucleus.
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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