What is the total cost of using all of the following at 12¢ per kilowatthour?
A 1200 W toaster for 30 min
Six 50 W bulbs for 4 h
A 500 W washing machine for 45 min
A 4300 W electric clothes dryer for 20 min
An 80 W PC for 6 h
Question 4.14: What is the total cost of using all of the following at 12¢ ...
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710\canc...
At 120 V,
I = 0.625 A
and P = VI = (120 V)...