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From a uniform wire, two circular loops are made (i) P of radius r ard (s) O of radus nr. If themoment of inertia of Q about an axis passing through its centre and perpendicular to ts plane is8 times that of P about a similar axis, the value of n is (diarmeter of the wire is very much smalierthan ror nr)(2) 6(3) 4(4) 2 |
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