when the outside temperature is -10 C. The walls have three different layers of material.

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An electric heater is used in a room of total wall area 137 m^2 to maintain a temperature of +20 C inside it, when the outside temperature is -10 C. The walls have three different layers of material.
24
Oct
An electric heater is used in a room of total wall area 137 m^2 to maintain a temperature of +20 C inside it, when the outside temperature is -10 C. The walls have three different layers of material. An electric heater is used in a room of total wall area 137 m^2 to maintain a [...]
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