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Two circular rings of equal mass and rad...

Two circular rings of equal mass and radius are placed touching each other. The moment of inertia of the system about tangential axis in the plane of system passing through point of contact of rings is

A

`3mr^(2)`

B

`(3)/(2)mr^(2)`

C

`6mr^(2)`

D

`(5)/(2)mr^(2)`

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The correct Answer is:
A
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