PH-1942
Cost of electricity
Physics · Secondary 4 · Easy · Cost of electricity
A 1500 W water heater is used for 20 min each day. What is the total energy used in one day, in kWh?
- 0.083 kWh
- 0.25 kWh
- 0.50 kWh
- 1.5 kWh
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