FusEdWeb: Fusion Energy Education

Glossary of Plasma Physics and Fusion Energy Research

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  Term: Joule
  Definition: SI unit of energy. 1 Joule = 1E7 ergs = 1 Watt of power occurring for one second. 1 Joule is roughly 0.001 BTU and 1 calorie is roughly 4 joules. There are 3.6 million joules in a kilowatt hour.


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