Find the thermal conductivity of the insulating material

Reference no: EM13504393

A box with a total surface area of 1.11 m2 and a wall thickness of 3.1 cm is made of an insulating material. A 12.9 W electric heater inside the box maintains the inside temperature at 16.3C above the outside temperature.

Find the thermal conductivity of the insulating material.

Reference no: EM13504393

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