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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: - In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- A body projected vertically from the earth reaches a height equal to earth’s radius
- A point charge q is placed at a distance x/2 directly above the centre of a cube
- The horizontal range and maximum height attained by a projectile are R and H,respectively
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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
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- A body projected vertically from the earth reaches a height equal to earth’s radius
- A point charge q is placed at a distance x/2 directly above the centre of a cube
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- Two strings A and B, made of same material are stretched by same tension
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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