Questions
Equal temperature difference exists between the ends of two metallic rods 1 and 2 of equal length. Their thermal conductivities are K1 and K2 and cross-sectional areas are respectively A1 and A2 The condition for equal rate of heat transfer will be
detailed solution
Correct option is C
The rate of flow of heat is given by Qt=KAT1−T2lSince [T1 - T2) and / are the same for two rods, the rate of flow of heat will be the same, if K1A1=K2A2Talk to our academic expert!
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