SC-1159
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A kettle has a power rating of 1800 W. It is used for 5 minutes each time and is switched on 3 times a day. How much electrical energy, in kWh, does the kettle use in 1 week?
- 2.10 kWh
- 3.15 kWh
- 5.40 kWh
- 6.30 kWh
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