PH-2050
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A kettle is rated at 800 W and is used for 15 minutes each day. One unit of electricity (1 kWh) costs \$0.25. What is the cost of using the kettle for one day?
- \$0.05
- \$0.20
- \$0.80
- \$3.00
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