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The ends of two rods of different materi...

The ends of two rods of different materials with their thermal conductivities, radii of cross sections and lengths all in the ratio 1 : 2 are maintained at the same temperature difference, if the rate of flow of heat in the larger rod is 4 cal/ sec, the rate of flow of heat in the shorter rod will be

A

`1` `cal` `/` `sec`

B

`2` `cal` `/` `sec`

C

`8` `cal` `/` `sec`

D

`16` `cal` `/` `sec`

Text Solution

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The correct Answer is:
A
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