Question

By opening the door of a refrigerator inside a closed room:

• A. you can cool the room to a certain degree
• B. you can cool it to the temperature inside the refrigerator
• C. you ultimately warm the room slightly
• D. you can neither cool not warm the room

Answer 1

The correct option is C you ultimately warm the room slightly

If the refrigerator door is open, heat is recycled from the room into the refrigerator, then back into the room. A net room temperature increase would result from the heat of the motor that would be constantly running (to which there is an external supply of electrical energy).