The door of a running refrigerator inside a room is left open. The correct statement out of the following ones is
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Answer: The room will be warmed up gradually
Explanation:
Cofficient of performance of refrigerator is Q2W=T2T1−T2
When the door of a running refrigerator inside a room is left open, T2→T1. Coefficient of performance increases. Q2 increases. Therefore, heat energy given to the room increases. Hence the room will be warmed up gradually.
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