EDS Paying for power

An electricity meter measures the power of the devices in your house.

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A 60W bulb transfers 60J of energy every second

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Power is a measure of how fast energy is transferred.

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The unit for power is Joules (J) or kiloJoules (kJ)

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• False

Power is measured in Watts (W) or kiloWatts (kW)

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Energy transferred = power x time

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The kiloWatt hour is also called a unit of electricity

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The kiloWatt hour measures electrical power

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Electricity meters measure energy used in kiloWatt hours

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• False

You work out how much energy has been used by adding up the old and new reading on an electricity meter

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• False