Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 25 - Think and Explain - Page 482-483: 70

Answer

See below.

Work Step by Step

A transformer is like a mechanical lever in that electrical power is (voltage)(current), and it can increase one while decreasing the other. In a mechanical lever, the work done is (distance)(force) and a lever can increase one while decreasing the other. In both cases, energy is conserved. It is NOT multiplied.
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