Answer
They are the same.
Work Step by Step
Ignoring minor heating losses in the transformer, the input power equals the output power.
This is discussed on page 477.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 25 - Reading Check Questions (Comprehension) - Page 480-481: 18
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