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Two rod A and B of the same material and...

Two rod A and B of the same material and same length have radii `r_(1) and r_(2)` respectively. When they are rigidly fixed at one end and twisted by the same couple applied at the other end, find the ratio of the angles of twist at the ends of A and B.

A

`r_(1)^(2)//r_(2)^(2)`

B

`r_(1)^(3)//r_(2)^(3)`

C

`r_(2)^(4)//r_(1)^(4)`

D

`r_(1)^(4)//r_(2)^(4)`

Text Solution

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The correct Answer is:
C
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