College Physics (7th Edition)

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

Chapter 15 - Electric Charge, Forces, and Fields - Learning Path Questions and Exercises - Conceptual Questions - Page 555: 22

Answer

The electric field density at pointy ends is high. If the discharge of the cloud occurs, it would easily pass through the lightning conductor conducted to ground and buildings will be well protected. It is also set at higher positions than buildings so that the lightning first strike the rod and gets grounded before it can damage anything.

Work Step by Step

The electric field density at pointy ends is high. If the discharge of the cloud occurs, it would easily pass through the lightning conductor conducted to ground and buildings will be well protected. It is also set at higher positions than buildings so that the lightning first strike the rod and gets grounded before it can damage anything.
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