Conceptual Physics (12th Edition)

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

Chapter 25 - Plug and Chug: 36


12 V.

Work Step by Step

Use the transformer relationship. $$\frac{primary \; voltage}{\# \; of \; primary \; turns} = \frac{secondary \; voltage}{\# \; of \; secondary \; turns}$$ $$\frac{120 V}{100 turns} = \frac{secondary \; voltage}{10 turns}$$ The secondary voltage is 12 V.
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