SC-1156
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A kettle has a power rating of 1500 W. It is used for 4 minutes each time and is switched on 4 times a day. How much electrical energy does it use in one week, in kWh?
- 3.15 kWh
- 0.28 kWh
- 28 kWh
- 2.8 kWh
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