PH-1953
Cost of electricity
Physics · Secondary 4 · Easy · Cost of electricity
A 1.5 kW kettle is used for 20 minutes each day. Electricity costs \$0.30 per kWh.
What is the cost of using the kettle for one day?
What is the cost of using the kettle for one day?
- \$0.05
- \$0.10
- \$0.15
- \$0.45
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.