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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An electric heater is used in a room of total wall area 150m^2 to maintain a temperature is −5C. The innermost layer is of wood of thichness 2.0 cm, the middle layer is of cement of thickness 1.0 cm and the outer-most layer is of brick of thickness 20 cm. Find the power of the electric heater.

An electric heater is used in a room of total wall area 150m^2 to maintain a temperature is −5C. The innermost layer is of wood of thichness 2.0 cm, the middle layer is of cement of thickness 1.0 cm and the outer-most layer is of brick of thickness 20 cm. Find the power of the electric heater.

An electric heater is used in a room of total wall area 150m^2 to maintain a temperature is −5C. The innermost layer is of wood of thichness 2.0 cm the middle layer is of cement of thickness 1.0 cm and the outer-most layer is of brick of thickness 20 cm. Find the power of the electric heater.