PH-2043
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A 60 W lamp is switched on for 3.0 hours. What is the electrical energy used by the lamp in kilowatt-hours (kWh)?
- 0.18 kWh
- 0.005 kWh
- 0.50 kWh
- 180 kWh
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.