Conceptual Physics (12th Edition)

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

Chapter 23 - Think and Explain: 92

Answer

In a power delivery system, if parallel wires are closer together than a bird's wingspan, the bird could accidentally connect two adjacent wires.

Work Step by Step

This might short-circuit the wires, not only harming the bird, but possibly causing a power outage. This is discussed on page 436 and shown in Figure 23.7.
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