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Georg Ohm
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==Study and publications== His first paper in 1825 examined the decrease in the electromagnetic force produced by a wire as the length of the wire increased. In 1826, he gave a description of conduction in circuits modelled on Fourier's study of heat conduction. This paper continued Ohm's deduction of results from experimental evidence and, particularly in the second, he was able to propose laws which went a long way to explaining results of others working on galvanic electricity.<ref>{{Cite web|url=https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Book%3A_Electricity_and_Magnetism_(Tatum)/04%3A_Batteries%2C_Resistors_and_Ohm%27s_Law/4.02%3A_Resistance_and_Ohm%27s_Lawl|title=Resistance and Ohm's Law|date=11 August 2020|publisher=Physics – Libre texts|first=Jeremy|last=Tatum|access-date=13 April 2021|archive-date=13 April 2021|archive-url=https://web.archive.org/web/20210413120151/https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Book%3A_Electricity_and_Magnetism_(Tatum)/04%3A_Batteries%2C_Resistors_and_Ohm%27s_Law/4.02%3A_Resistance_and_Ohm%27s_Lawl|url-status=dead}}</ref> The most important was his pamphlet published in [[Berlin]] in 1827, with the title ''Die galvanische Kette mathematisch bearbeitet''. This work, the germ of which had appeared during the two preceding years in the journals of Schweigger and Poggendorff, has exerted an important influence on the development of the theory and applications of [[electric current]]. Ohm's name has been incorporated in the terminology of [[Electrical engineering|electrical science]] in Ohm's Law (which he first published in ''Die galvanische Kette''...),<ref name=EB1911>{{EB1911|wstitle=Ohm, Georg Simon |volume=20 |page=34|inline=1}}</ref> the [[Proportionality (mathematics)|proportionality]] of current and [[voltage]] in a [[resistor]], and adopted as the [[SI]] unit of [[electrical resistance|resistance]], the [[ohm (unit)|ohm]] (symbol Ω). Although Ohm's work strongly influenced theory, at first it was received with little enthusiasm. However, his work was eventually recognized by the [[Royal Society]] with its award of the [[Copley Medal]] in 1841.<ref>{{cite book |last1=Bray |first1=John |title=The communications miracle : the telecommunication pioneers from Morse to the information superhighway |date=1995 |publisher=Springer Science |location=New York |isbn=978-1-4899-6038-2 |pages=8–10 |chapter-url=https://books.google.com/books?id=RDQBCAAAQBAJ&pg=PA8 |chapter=Georg Simon Ohm (1789–1854)}}</ref> He became a foreign member of the Royal Society in 1842, and in 1845 he became a full member of the [[Bavarian Academy of Sciences and Humanities]]. At some extent, [[Charles Wheatstone]] drew attention to the definitions which Ohm had introduced in the field of physics.<ref>Merz, John Theodore (1903). ''[https://archive.org/stream/historyofeuropea01merziala#page/364/mode/2up "A history of European thought in the nineteenth century"]'', pp. 365–366</ref> ===Works=== * {{cite book |url=https://books.google.com/books?id=DAZkAAAAcAAJ |title=Grundlinien zu einer zweckmäßigen Behandlung der Geometrie als höheren Bildungsmittels an vorbereitenden Lehranstalten |trans-title=Guidelines for an appropriate treatment of geometry in higher education at preparatory institutes |publisher=Palm und Enke |date=1817 |language=de|via=[[Google Books]]}} * {{cite book |url=https://books.google.com/books?id=wBtkAAAAcAAJ |title=Die galvanische Kette : mathematisch bearbeitet |language=de |location=Berlin |publisher=T.H. Riemann |year=1827 |via=Google Books}} **English translation: {{cite book |translator-last1=Francis |translator-first1=William |title=The Galvanic circuit investigated mathematically |date=1891 |publisher=D. Van Nostrand Company |location=New York |url=https://books.google.com/books?id=M6I3AAAAMAAJ |via=Google Books}} * {{cite book |url=https://archive.org/details/elementederanal00ohmgoog |title=Beiträge zur Molecular-Physik. Erster Band. Elemente der analytischen Geometrie im Raume am schiefwinkligen Coordinatensysteme |trans-title=Contributions to molecular physics. First volume. Elements of analytic geometry concerning the skew coordinate system |location=Nürnberg |publisher=Schrag |year=1849 |language=de |via=[[Internet Archive]]}} * {{cite book |title=Erklärung aller in einaxigen Krystallplatten zwischen geradlinig polarisirstem Lichte wahrnehmbaren Interferenz-Erscheinungen in mathematischer Form mitgetheilt |language=de |publisher=k. bayr. Akademie der Wissenschaften |location=München }} ** [https://www.digitale-sammlungen.de/en/view/bsb10058628?page=,1 {{lang|de|Erste Hälfte}} [First half], 1852] — via [[Munich Digitization Center]] ** [https://books.google.com/books?id=-J8_AAAAcAAJ {{lang|de|Zweite Hälfte}} [Second half], 1853] — via Google Books * {{cite book |title=Grundzüge der Physik als Compendium zu seinen Vorlesungen |trans-title=Fundamentals of physics: Compendium of lectures |location=Nürnberg |publisher=Schrag}} ** [https://books.google.com/books?id=KusGAAAAcAAJ {{lang|de|Erste Abtheilung, Allgemeine Physik}} [Volume 1 General Physics], 1854] — via Google Books ** [https://books.google.com/books?id=OesGAAAAcAAJ {{lang|de|Zweite Abtheilung, Besondere Physik}} [Volume 2 Special Physics], 1854] — via Google Books
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