PH-2047
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A student uses a 1.2 kW water heater for 30 minutes each day. Electricity costs \$0.25 per kWh. What is the cost of running the heater for one day?
- \$0.15
- \$0.075
- \$0.30
- \.50
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