A charged particle (charge 
mass 
) is rotating in a circle of radius 
with uniform speed 
. Ratio of its magnetic moment 
to the angular momentum 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let 
be the velocity of charged particle.
Time period, 
Equivalent current,
Area of circle, 
Magnetic moment, 
Current 
Area
Angular momentum, 
Here, 
Moment of inertia of loop (or ring) 
Required ratio 
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