Charged particle (charge=q; mass=m) is rotating in a circle of radius R with uniform speed V, Ratio of its magnetic moment (μ) to the angular momentum (L) is
A
2mq
B
mq
C
4mq
D
m2q
Medium
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Updated on : 2022-09-05
Solution
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Correct option is A)
Magnetic moment μ=IA=(qν)A μ=2πRqV×πR2=2qVR Angular momentum L=mVR Ratio Lμ=mVR2qVR=2mq