Electrical History Facts

Professor A.Knowall

Andree Marie AmpereAndree Marie Ampere 1775 - 1836
Lyon France
Unit Amp Ampere - Electric Current - The SI and MKSA unit of current, defined as that which, flowing in two parallel conductors, each infinitely thin and long, one metre apart in a vacuum, will produce a force between the conductors of 2 x 10-7 newtons per metre length
Charles Augustin Coulomb
Charles Augustin Coulomb 1736-1806
Unit Coulomb Electric Charge -Coulomb - The MKSA and SI unit of electric charge (static or as a current), equal to the quantity of electricity transferred by one ampere in one second
>Colonel Crompton
Colonel Crompton 1845-1940
England Innovator Engineer - Crompton was founded by a legendary figure, Colonel Crompton, who was one of the most remarkable of the founding pioneers of the British electrical industry.
Hunphry Davy
Sir Humphry Davy 1778-1829
Penzance London Royal Institute Miners Lamp
Thomas Alva Edison Thomas Alva Edison 1847 - 1931
America Invention Phonograph 1877
Light Bulb
Michael  Faraday Michael Faraday 1791-1867
Royal Institution London
Unit Farad
The unit of Capacitance F = Farad
Bio-1 ,Bio-2 ,Bio-3 ,Bio-4 ,Bio-5
Invention Electric Motor Dynamo - 1821
Discovery Benzene - 1825
Design Bunsen Burner - 1820's
Discovery Electro Magnetic Induction - 1831
Discovery Invention Magneto Optical Effect - 1845
Discovery Diamagnetism - 1845
Ferranti Sebastian Ziani de Ferranti 1864-1930
Liverpool England Innovator Engineer
John Ambrose Fleming John Ambrose Fleming 1849-1945
London Sidmouth England
Left Hand Rule
Benjamin Franklin Benjamin Franklin 1706 - 1790
America Lightning Conductor
Luigi Galvani Luigi Galvani 1737 - 1798
Bologna. Italy
Animal Experiments 1780
Johann Carl Friedrich Gauss Johann Carl Friedrich Gauss 1777-1855
Duchy Brunswick Germany Gottingen
Unit Gauss
Gauss - The CGS unit of magnetic flux density
Henry Joseph Henry 1797-1878
Unit Henry
"Henry - The unit of inductance, such that an electromotive force of one volt is induced in a circuit by current variation of one ampere per second
Hertz Heinrich Hertz 1857-1894
Berlin Bonn Germany
Unit Hertz - The unit of frequency, that of a periodic phenomenon of which the periodic time is one second - sometimes called cycle per second in the UK.
Joule James Prescott Joule 1818-1889
Unit Joule - The unit of energy, work and heat in the MKS and SI systems, equal to work done when a force of 1 newton advances its point of application 1 metre (1 joule = 10 to the power of 7 ergs).
Marconi Guglielmo Marchese Marconi 1874-1937
James Clerk Maxwell James Clerk Maxwell 1831 - 1879
Edinburgh Cambridge London
Unit Maxwell - The cgs unit of magnetic flux, equal to 10-8 weber
Electricity Magnetism Equations - 1873
Isaac Newton Sir Isaac Newton 1642-1727
Cambridge England
Principia - 1686
Unit Newton - The unit of force
Hans Christian Oersted Hans Christian Oersted 1777 - 1850
Copenhagen Denmark
Unit Oersted - The cgs unit of magnetic field strength.
Discovery Electromagnetism - 1820
George Simon Ohm George Simon Ohm 1787-1854
Unit Electric Resistance Ohm - The unit of electrical resistance in the SI and the MKSA systems, the resistance in a conductor in which a potential difference of one volt produces a current of one ampere. Mho - formerly a unit of electric conductance, that of a body with a resistance of one ohm (now siemens)
Werner von Siemens Werner von Siemens 1816-1892
Berlin Germany London St.Petersburg
Unit Siemen - The unit of electrical conductance (an SI additional unit; abbreviation S), the equivalent of mho and reciprocal of ohm.
Bio - Werner von Siemens
Bio - Sir William Siemens
Bio - Carl von Siemens
Joseph Swan Joseph Wilson Swan 1828-1914
Sunderland Gateshead England
1879 Engineer Inventor -
Light Bulb
Tesla Nikola Tesla 1856-1943
Croatia America
Unit Tesla - The unit of magnetic flux density, equal to 1 weber per sq metre
James Watt James Watt 1736-1819
Glasgow Scotland Birmingham England
Unit Watt - The practical and MKS unit of power - equal to a rate of working of one joule per second
Weber Wilhelm Eduard Weber 1804-1891
Wittenberg Gottingen Leipzig Germany
Unit Weber - The MKS unit of magnetic flux.
Alessandro VoltaAlessandro Giuseppe Antonio
Anastasio Volta 1745 - 1827
Unit EMF Volt - The MKSA and SI unit of electromotive force, electric potential, or potential difference, the difference of potential between two points in a conductor carrying a current of one ampere when the power dissipated between them is one watt.
Voltaic Pile