Four Rods with Different Radii 'R' and Length 'L' Are

question 48

Multiple Choice

Four rods with different radii 'r' and length 'l' are used to connect to reservoirs of heat at different temperature. Which one of them with conduct most heat?

• A)r = 1 cm, l = 1m
• B)r = 2 cm, l =
• C)r = 2 cm, l = 2m
• D)r =
• E)37,500 kg

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