PH-1952
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A 60 W light bulb is switched on for 2.5 hours each day. What is the electrical energy used by the bulb in one day, in kWh?
- 0.015 kWh
- 0.15 kWh
- 1.5 kWh
- 15 kWh
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