Answer: A typical cost for electrical power is $0.120 per
Chapter 25, Problem 25.65(choose chapter or problem)
A typical cost for electrical power is $0.120 per kilowatt- hour. (a) Some people leave their porch light on all the time. What is the yearly cost to keep a 75-W bulb burning day and night? (b) Suppose your refrigerator uses 400 W of power when it’s running, and it runs 8 hours a day. What is the yearly cost of operating your refrigerator?
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