Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 19 - For Thought and Discussion - Page 349: 9

Answer

The difference is due to what they are designed to do.

Work Step by Step

We know that heat pumps are used to heat a given volume. Contrarily, refrigerators are used for the opposite: cooling a given volume. As a result, the equations for COP will not be the same for each.
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