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Two cylindrical rods of same meterial ha...

Two cylindrical rods of same meterial have the same temperature difference between their ends. The ratio of rates of flow of heat through them is 1 : 8. The ratio of the radii of the rods are 1 : 2. What is the ratio of their lengths ?

A

`2 : 1`

B

`4 : 1`

C

`1 : 8`

D

`1 : 32`

Text Solution

Verified by Experts

The correct Answer is:
A
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