Answer
42 hours
1.26kWhr
30 cents per kWhr
Work Step by Step
$12.6V\times100Ahr\div30W=42hr$
$12.6V\times100Ahr\div1000Whr/kWhr=1.26kWhr$
$\$95\div(250\times1.26kWhr)=\$0.301\ per\ kwhr$
Electrical Engineering: Principles & Applications (6th Edition)
by Hambley, Allan R.
Published by
Prentice Hall
ISBN 10:
0133116646
ISBN 13:
978-0-13311-664-9
Chapter 1 - 1.3 - Problems - Power and Enery - Page 36: P1.27
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