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Broytingar

| [[rúmvinkul]] || || [[steradian]] ||&nbsp; &nbsp;sr ||m<sup>2</sup>/m<sup>2</sup>|| ||grikskt στερεός, ''stereos'', ''rúmligt'', og latínskt ''radius'', ''strála''
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|[[títtleiki|frekvensur/, títtleiki]]||&nbsp; &nbsp;''f''||[[hertz]]||&nbsp; &nbsp;Hz||s<sup>−1</sup>|| ||Heinrich Rudolf Hertz (1857 -1894)
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| [[kraft]] ||&nbsp; &nbsp;''F''|| [[newton (eind)|newton]]||&nbsp; &nbsp;N||kg m s<sup>−2</sup>|| ||sir Isaac Newton (1642-1726/7)
| [[orka]] || || [[joule]] ||&nbsp; &nbsp;J || kg m<sup>2</sup> s<sup>−2</sup> || N m||James Prescott Joule (1818-1889)
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|[[effekt|effekt/, orkustreymur, máttur]]||&nbsp; &nbsp;''P''||[[watt]]||&nbsp; &nbsp;W||kg m<sup>2</sup> s<sup>−3</sup>||J/s = V A||James Watt (1736-1819)
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| [[trýst]] ||&nbsp; &nbsp;''p'' || [[Pascal (eind)|pascal]] ||&nbsp; &nbsp;Pa || kg m<sup>−1</sup> s<sup>−2</sup> || N/m<sup>2</sup> ||Blaise Pascal (1623-1662)
| [[ljósstreymur]] ||&nbsp; &nbsp;''Φ''|| [[lumen]] ||&nbsp; &nbsp;lm || cd sr || ||latínskt ''lumen'', ''ljós'' ella ''op''
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| [[belýsningsstyrki|belýsningsstyrki, lýsing]] ||&nbsp; &nbsp;''E'' || [[lux]] ||&nbsp; &nbsp;lx || cd sr m<sup>−2</sup> || lm/m<sup>2</sup> ||latínskt ''lux'', ''ljós''
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| [[elektrisk løðing]] ||&nbsp; &nbsp;''Q'' || [[coulomb]] ||&nbsp; &nbsp;C || A s || ||Charles-Augustin de Coulomb (1736-1806)
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|[[elektriskt potensiali]]||&nbsp; &nbsp;''U''||[[volt]]||&nbsp; &nbsp;V ||kg m<sup>2</sup> A<sup>−1</sup> s<sup>−3</sup>||J/C = W/A ||Alessandro G. A. A. Volta (1745-1827)
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| [[resistansur]]<small>|resistansur, (elektrisk mótstøða)</small> ]]||&nbsp; &nbsp;''R'' || [[ohm]] ||&nbsp; &nbsp;Ω || kg m<sup>2</sup> A<sup>−2</sup> s<sup>−3</sup> || V/A ||Georg Simon Ohm (1789-1854)
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| [[kapasitansur]] ||&nbsp; &nbsp;''C''|| [[farad]] ||&nbsp; &nbsp;F || A<sup>2</sup> s<sup>4</sup> kg<sup>−1</sup> m<sup>−2</sup> || Ω<sup>−1</sup> s = As/V ||Michael Faraday (1791-1867)
| [[induktansur]] ||&nbsp; &nbsp;''L''|| [[henry (eind)|henry]] ||&nbsp; &nbsp;H || kg m<sup>2</sup> A<sup>−2</sup> s<sup>−2</sup> || Ω s||Joseph Henry (1797-1878)
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| [[konduktansur]]<small>|konduktansur, (elektrisk leiðing)</small> ]]||&nbsp; &nbsp;''G'' || [[Siemens (eind)|siemens]] ||&nbsp; &nbsp;S || kg<sup>−1</sup> m<sup>−2</sup> A<sup>2</sup> s<sup>3</sup> || Ω<sup>−1</sup> ||Ernst Werner von Siemens (1816-1892)
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| [[temperaturur|termodynamiskur temperaturur]] || || [[stig Celsius]] ||&nbsp; &nbsp;°C || K - 273,15 || ||Anders Celsius (1701-1744)
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