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Moment of inertia of a rigid body is exp...

Moment of inertia of a rigid body is expressed in units of kg `m^(2)`. There are two rods A and B made of same metal. Both of them have equal cross-sectional area bur rod A is double in length as compared to rod B. What is the ratio of moment of ineria of rod A to that of rod B?

A

1

B

2

C

4

D

8

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The correct Answer is:
A
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