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: [[Joulemeter]]s can be used to [[measure]] the [[energy]] [[Energy Transfer|transferred]] to an [[Electrical Component|electrical component]] in a [[circuit]].
: A [[joulemeter]] can be used measure the total [[energy]] [[Energy Transfer|transferred]] to an [[Immersion Heater|immmersion heater]].
: A [[joulemeter]] can be made by attaching an [[ammeter]] in [[Series Circuit|series]] with a [[Electrical Component|component]] a [[voltmeter]] in [[Parallel Circuit|parallel]] with the [[Electrical Component|component]] and using a [[stopwatch]] to calculate the [[energy]] [[Energy Transfer|transferred]] using the equation:
<math>E=IVt</math>
Where:
<math>E</math> = The [[energy]] [[Energy Transfer|transferred]] (or electrical work done).