Conceptual Physics (12th Edition)

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

Chapter 25 - Think and Explain: 65

Answer

See below.

Work Step by Step

Twice the number of loops means twice the voltage. However, the wire that is twice as long has twice the resistance. The current is the same by Ohm's law. I = (V/R) = (2V/2R).
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