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 - Questions: 1

Answer

Chemical reactions are used within the cell to restore potential energy and maintain the flow of electrons.

Work Step by Step

Within the wires of the circuit, negatively-charged electrons flow from a region of high potential energy (at the battery’s negative terminal) to a region of low potential energy (at the battery’s positive terminal). Within the battery itself, to keep the electron flow, electrons must be moved from the positive terminal to the negative terminal. Chemical reactions in the battery do work on the electrons to give them potential energy.
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