Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 18 - Electric Currents - Misconceptual Questions: 7

Answer

Choice D.

Work Step by Step

Charge and current are not “used up” in a resistor. The number of charges per second (i.e, current) that flows in is the same that flows out of the resistor. Net charge does not build up inside the resistor. What does get “used up” is the potential energy of the charges; After the current passes through, the charges have lower potential energy than when they entered.
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