College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 20 - Electromagnetic Induction and Waves - Learning Path Questions and Exercises - Conceptual Questions - Page 724: 13

Answer

Since the Joule heating rate depends on current $(I^{2}R)$, they are transmitted at high voltage and hence low current to reduce the Joule heating rate.

Work Step by Step

Since the Joule heating rate depends on current $(I^{2}R)$, they are transmitted at high voltage and hence low current to reduce the Joule heating rate.
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