Question

The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, calculate the cost that would result from each of the following:

(a) leaving a 60.0 W porch light on for 2 weeks while you are on vacation $

(b) Making a piece of dark toast in 3.00 min with a 910 W toaster. $

(c) drying a load of clothes in 40.0 min in a 4800 W dryer $

Answer 1

Finding cost of electricity for 60w porch light on for 2 weeks,

And for making a piece of dark toast in 3 min with 910 W,

And drying a load of clothes in 40 min in a 4800 W dryer.