Article ID: CBB867479977

Joule’s Experiments on the Heat Evolved by Metallic Conductors of Electricity (2021)

unapi

The focus of this paper is one of James Prescott Joule’s scientific contributions: the laws of heat production by electric currents in conductors. In 1841, the 22 years old Joule published a paper with the title “On the heat evolved by metallic conductors of electricity, and in the cells of a battery during electrolysis” where he presented an experimental study of that phenomenon and proposed two laws that were allegedly supported by his trials. On closer inspection, both his laboratory work and his inferences can be challenged. The emphasis of this article is an attempt to understand Joule’s experimental undertaking, its highpoints and shortcomings, by a detailed analysis of this specific episode and by studying the precedents of his work and subsequent advancements. It is possible to point out several serious deficiencies of that investigation, and Joule’s contemporaries, such as Edmond Becquerel and Heinrich Lenz, did criticize some of his flaws and undertook new experiments to provide a sound basis for those laws. Besides providing a historical examination of that specific episode, this article uses this case study to tackle some features of the nature of science that may contribute to scientific education.

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Authors & Contributors
Euler, Leonhard
Radelet-de Grave, Patricia
Speiser, David
Arabatzis, Theodore
Avramov, Iordan
Bertucci, Paola
Journals
Ambix: Journal of the Society for the History of Alchemy and Chemistry
American Journal of Physics
European Physical Journal H
Foundations of Science
Historia Mathematica
History of Science
Publishers
Birkhäuser
Alma Mater Studiorum, Università di Bologna
Cornell University Press
Green Lion Press
The MIT Press
The Robert Boyle Project
Concepts
Experiments and experimentation
Electricity; magnetism
Theories of heat
Physics
Research
Brain
People
Boyle, Robert
Joule, James Prescott
Euler, Leonhard
Faraday, Michael
Bacon, Francis, 1st Baron Verulam
Beck, Adolf
Time Periods
19th century
18th century
17th century
20th century
20th century, early
Places
Great Britain
France
Poland
Spain
United States
England
Institutions
University of Pennsylvania
Royal Society of London
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