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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: - Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- An aicraft executes a horizontal loop of radius 1 km with a speed of 900 kmh⁻¹
- Which pair is isotonic?
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- An aicraft executes a horizontal loop of radius 1 km with a speed of 900 kmh⁻¹
- Which pair is isotonic?
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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