PH-2005
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A 1.2 kW kettle is connected to a 240 V mains supply and used for 15 minutes each day. The cost of electrical energy is 30 cents per kWh. How much does it cost to use the kettle for 30 days?
- \.35
- \$2.70
- \$3.60
- \0.80
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