SC-1192
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A 1000 W microwave oven is used for a total of 3 hours in a week. The electricity tariff is \$0.25 per kWh. What is the cost of using the microwave for that week?
- \$0.25
- \$0.50
- \$0.75
- \.00
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