MHT CET 2025 Physics question
The two ends of a rod of length 'x' and uniform cross-sectional area 'A' are kept at temperatures 'T' and 'T' respectively (T > T). If the rate of heat transfer is '', through the rod in steady state, then the coefficient of thermal conductivity 'K' is
Answer: (B)
Solution
In steady state the rate of heat conduction is . Solving for : , option (B). Check by units: is in W
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