Two loops P and Q are made from a uniform wire. The radii of P and Q are r1 and r2 respectivelyFlame Institute

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Two loops P and Q are made from a uniform wire. The radii of P and Q are r1 and r2 respectively

Two loops P and Q are made from a uniform wire. The radii of P and Q are r1 and r2 respectively, and their moments of inertia are l1 and l2 respectively. If l2/l1=4 then r2/r1 equals

(a) 42/3 (b) 41/3 (c) 4-2/3 (d) 4-1/3 Ans. b (18)

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