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The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m2.K. At steady state, the temperature of the right face in °C is | |
A. | 77.2 [Wrong Answer] |
B. | 71.2 [Wrong Answer] |
C. | 63.8 [Wrong Answer] |
D. | 48.7 [Correct Answer] |