A Solid Cylindrical Bar Conducts Heat at a Rate of 25

question 467

Multiple Choice

A solid cylindrical bar conducts heat at a rate of 25 W from a hot to a cold reservoir under steady state conditions. If both the length and the diameter of this bar are doubled, the rate at which it
Will conduct heat between these reservoirs will be

• A) 25 W
• B) 12.5 W
• C) 100 W
• D) 200 W
• E) 50 W

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