PH-1905
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A 2.0 kW air-conditioner is used for 5.0 hours each night for a month of 30 days. Electricity costs \$0.25 per kWh. What is the total cost of running the air-conditioner for the month?
- \5
- \$37.50
- \$75
- \50
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