Two rings of radii R and nR made from the same wire have the ratio of moments of inertia about an axis passing through their centre equal to 1:8. What is the value of n?

Two rings of radii R and nR made from the same wire have the ratio of

1.	Two rings of radii R and nR made from the same wire have the ratio of moments of inertia about an axis passing through their centre equal to 1:8. What is the value of n?
A.	2
B.	2 2
C.	4
D.
Answer» B. 2 2

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Two rings of radii R and nR made from the same wire have the ratio of moments of inertia about an axis passing through their centre equal to 1:8. What is the value of n?

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