Question Answers

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 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 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 temperature of +20 C inside it when the outside temperature is -10 C. The walls have three different layers of material.