Four rods of same material but with different radii and lengths are used to connect two reservoirs of heat with the same temperature difference. Which one will conduct more heat

Four rods of same material but with different radii and lengths are us

1.	Four rods of same material but with different radii and lengths are used to connect two reservoirs of heat with the same temperature difference. Which one will conduct more heat
Answer» r = 1 cm, 1 = 1M r = 1CM, 1 = 2m r = 1cm, `1=(1)/(2)` m `r=(1)/(2)` cm, `1=(1)/(2)` m Answer :C