A composite slab is prepared with two different materials A and B. The relation between their coefficient of thermal conductivity and thickness is given as \K_\A-\K_\B/2 and \X_A=2\X_B respectively. If the temperature of faces of A and B are 75 °C and 50 °C respectively, what will be the temperature of common surface?

TS EAMCET 10-Sep-2020 Shift 1 Solved Paper

Section: Physics

Question : 98 of 160

Marks: +1, -0

A composite slab is prepared with two different materials A and B. The relation between their coefficient of thermal conductivity and thickness is given as KA−

and XA=2XB respectively. If the temperature of faces of A and B are 75 °C and 50 °C respectively, what will be the temperature of common surface?

75 °C
50 °C
55 °C
125 °C

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