PH-1972
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
The cost of electricity is 30 cents per kWh. A 1.2 kW kettle and a 150 W fan are used together for 2.0 hours. What is the total cost of using these appliances?
- \$0.81
- \$0.54
- \.35
- \$2.70
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.