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A Super-Insulated House Is at a Temperature of 20 °\degree CThe Temperature Outside Is 0

Question 32

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A super-insulated house is at a temperature of 20 °\degree C.The temperature outside is 0 °\degree C.The surface area of the house is 200 m2,and the emissivity is 1.Approximately how much energy is radiated (in W) per second?


A) 20 000
B) 2 000
C) 200
D) 2
E) 0.2

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