PH-2038
Cost of electricity
Physics · Secondary 4 · Medium · Cost of electricity
A 60 W, 240 V lamp is switched on for 3.0 hours each day. The cost of electricity is 25 cents per kWh.
What is the cost of operating the lamp for one day?
What is the cost of operating the lamp for one day?
- \$0.02
- \$0.045
- \$0.18
- \$0.75
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