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Two uniform circular discs A and B of ra...

Two uniform circular discs A and B of radii R and 4R with thicknesses x and `x//4` respectively, rotates about their axes passing through there centres and perpendicular to there planes. If M.I. of first disc is `I_A` and that of second disc is `I_B` then

A

`I_A = I_B`

B

`I_A gt I_B`

C

`I_B gt I_A`

D

data is insufficient

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