Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 23 - Magnetic Flux and Faraday's Law of Induction - Problems and Conceptual Exercises - Page 833: 66

Answer

Doubled

Work Step by Step

The ratio of the number of turns of primary to secondary voltage in a transformer is given as $\frac{N_p}{N_s}=\frac{V_p}{V_s}$. The ratio of primary and secondary voltage must be the same for both transformers. Thus, if the primary voltage is doubled, the secondary voltage will also be doubled.
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