State the definition of power and its unit.
State the equation linking power, current and potential difference.
An electric kettle is connected to a mains voltage of 230 V.
The power of the kettle is 2860 W.
Calculate the current in the kettle.
The kettle boils for 2.5 minutes.
Calculate the energy transferred to the kettle during this time.
Use an equation selected from the list of equations given on your exam paper.
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