During the week a 2.4 kW kettle was used for 2 hours.
Calculate how much energy was transferred by the kettle.
Write down the equation you use. Show clearly how you work out your answer and give the unit.
Calculate how much energy was transferred by the kettle.
Write down the equation you use. Show clearly how you work out your answer and give the unit.
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Energy = power x time = 2.4 x 2 = 4.8 kwh (kilowatt-hours)
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ans explained above is ok
usage energy = device power in kw * the time of use in hr
usage energy = device power in kw * the time of use in hr