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    https://en.wikipedia.org/wiki/Joule
    Joule - Wikipedia
    Unit systemSI
    Unit ofenergy
    SymbolJ
    Named afterJames Prescott Joule
    What Is a Joule? Science Definition - ThoughtCo
    ThoughtCo
    Definition

    In terms of SI base units and in terms of SI derived units with special names, the joule is defined as
    One joule is also equivalent to any of the following:
    • The … See more

    History

    The CGS system had been declared official in 1881, at the first International Electrical Congress. The erg was adopted as its unit of energy in 1882. Wilhelm Siemens, in his inauguration speech as chairman of the British Ass… See more

    Practical examples

    One joule represents (approximately):
    • The typical energy released as heat by a person at rest every 1/60 s (~16.6667 ms, basal metabolic rate); about 5,000 kJ (1,200 kcal) / day.
    • The amount of electricity required to … See more

    Multiples

    zeptojoule 160 zeptojoules is about 1 electronvolt. The minimal energy needed to change a bit of data in computation at around room temperature – approximately 2.75 zJ – is given by the Landauer limit. nanojoule 1… See more

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