Multiple Choice
An air-tight room contains 80 kg of air, and a 2-kW baseboard electric resistance heater in the room is turned on and kept on for 15 min. The temperature rise of air at the end of 15 min is
A) 22.4°C
B) 31.3°C
C) 0.52°C
D) 13.4°C
E) 42.8°C
Correct Answer:

Verified
Correct Answer:
Verified
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