A thin metal wire of length Land uniform linear mass density 
is bent into a circular coil with 
as centre. The moment of inertia of a coil
about the axis 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
: Moment of inertia of a circular loop is, 
(about diameter)
Now, mass of the loop 
where 
is the linear mass density.
Again, 
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