Answered: When the door of a fridge is kept open…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 1CQ

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When the door of a fridge is kept open for a long time, does it reduce the temperature in the room? If yes, by what fraction and if no, why?

Expert Solution

Step 1

No, opening the door of the fridge does not cool the room.

A fridge is a heat pump which takes air inside the fridge and removes heat from it to cool the air. This heat is let out in the room usually from the back of the fridge. So the fridge is actually warming up the room at all times it is running.

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