Four rods of same material with different radii $r$ and length $l$ are used to connect two reservoirs of heat at different temperatures. Which one will conduct most heat ?
Four rods of same material with different radii $r$ and length $l$ are used to connect two reservoirs of heat at different temperatures. Which one will conduct most heat ?
- A
$r =2\,\,cm, l =0.5\,\,m$
- B
$r = 2\,\,cm, l = 2\,\,m$
- C
$r =0.5\,\,cm, l =0.5\,\,m$
- D
$r = 1\,\,cm, l = 1\,\, m$
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