Question

he door of a running refrigerator in a closed room is kept open, what will be the net effect on the room

Answer 1

Tempr of room will be increase little bit....

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Answer 2

Answer:

• As a refrigerator is a heat pump.  
• Hence it extracts heat from a low temperature reservoir and transfers it to a high temperature reservoir.  
• Thus, refrigerator exhausts more heat into the room than it extracts from it. Hence, the room will become warm.