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Consider a room that is initially at the outdoor temperature of 20oc. the room contains a 40-w lightbulb, a 110-w tv set, a 300-w refrigerator, and a 1200-w iron. assuming no heat transfer through the

Consider a room that is initially at the outdoor temperature of 20oc. the room contains a 40-w lightbulb, a 110-w tv set, a 300-w refrigerator, and a 1200-w iron. assuming no heat transfer through the walls, determine the rate of increase of the energy content of the room when all of these electric devices are on.

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