Physics: Principles with Applications (7th Edition)

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

Chapter 17 - Electrical Properties - Misconceptual Questions: 3

Answer

Choice B.

Work Step by Step

Electric field is a vector and the electric potential is a scalar. At the center of the square the net electric field is 0 because the four equal and opposite fields created by the 4 identical charges will cancel. The potential V is a nonzero number (Use equation 17-5 four times; Each charge makes an equal nonzero contribution toward V).
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