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Utility >> Glossary >> J

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Glossary - J

Joule
Joule, James Prescott

Joule
Unit of energy. The magnetic energy is expressed by:

1
W = ___ B · H

2

for unit of mass.

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Joule, James Prescott
English physicist who established that the various forms of energy--mechanical, electrical, and heat--are basically the same and can be changed, one into another. Thus he formed the basis of the law of conservation of energy, the first law of thermodynamics.

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