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20 August, 11:24

A 3kw kettle boils water in 4 minutes. does this use more electrical energy than a 150w fridge left on for 1 hour?

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  1. 20 August, 11:58
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    A new car battery costs a lot of money, partly because of the electrical energy stored ... So a 1 kW electric fire will use 5 kWh in 5 hours but a 100 W light bulb will ... Calculate the cost of running a 2 kW grill for 20 minutes ... energy is used by a 150 W black and white television if is left on for 4 hours? ... 2 kW kettle, 5 minutes.
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