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: 8


Choice C.

Work Step by Step

The kilowatt-hour is the product of a power (kilowatt) and a unit of time (hour). This gives a unit of energy. $$kWh = 1000 \frac{J}{s} \times 3600 s = 3600000 J$$
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