Question: A cylindrical rod having temperature T, and T, at its end. The rate of flow of heat is Q, cal/sec. If all the linear

A cylindrical rod having temperature T, and T, at its end. The

A cylindrical rod having temperature T, and T, at its end. The rate of flow of heat is Q, cal/sec. If all the linear dimensions are doubled keeping temperature constant, then the rate of flow of heat Q will be (a) 4Q (c) Q/4 (b) 2Q (d) Q/2

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