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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: - A particle moves in a circle of radius 5 cm with constant speed and time period
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- The ratio of the radii or gyration of a circular disc to that of a circular ring
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moves in a circle of radius 5 cm with constant speed and time period
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- The ratio of the radii or gyration of a circular disc to that of a circular ring
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
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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