PH-1973
Cost of electricity
Physics · Secondary 4 · Hard · Cost of electricity
An electric kettle is rated at 1.8 kW, 230 V. It is used for 20 minutes each day. The cost of electricity is 30 cents per kWh. What is the cost of using the kettle for 10 days?
- \.80
- \$0.60
- \$3.60
- \8.00
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