Question: A block has the dimensions L, 2L, and 3L. When one of the L 2L faces is maintained at the temperature T1 and the

A block has the dimensions L, 2L, and 3L. When one of the L × 2L faces is maintained at the temperature T1 and the other L × 2L face is held at the temperature T2, the rate of heat conduction through the block is P. Answer the following questions in terms of P.

(a) What is the rate of heat conduction in this block if one of the L × 3L faces is held at the temperature T1 and the other L × 3L face is held at the temperature T2?

(b) What is the rate of heat conduction in this block if one of the 2L × 3L faces is held at the temperature T1 and the other 2L × 3L face is held at the temperature T2?

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