Elektrizität und Magnetismus

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Historische Daten: <strong>Elektrizität</strong> 585 BC Thales of Miletus (Greek astronomer and mathematician) first recorded history of electric effects late 1500's William Gilbert (English) studied insulators and conductors early 1700's Stephen Gray (English) studied transfer of electricity between objects early 1700's Charles Francois du Fay (French) discovered two types of electrification 1746 Pieter van Musschenbroek (Dutch) invented Leyden jar (storage device for electric charge) 1748 Benjamin Franklin (American) published "Experiments and Observations on Electricity," coined terms positive and negative 1770's Joseph Priestley (English) postulated that electric forces obey inverse-square law 1785 Charles de Coulomb (French) first direct measurement of electric force between objects 1826 Georg Ohm (German) studied electrical current conduction in metals mid 1800's Gustav Kirchoff (German) invented theoretical methods to solve electric circuit problems 1897 J.J. Thompson (English) discovered electron 1909 R.A. Millikan (American) discovered charge quantization for electron and measured its charge to mass ratio 1911 Heike Kamerlingh-Onnes (Dutch) discovered superconductivity http://www.sru.edu/depts/artsci/physics/faculty/bas/teaching/spring99/101/em.htm EM 4 fh-pw
Historische Daten: <strong>Magnetismus</strong> 500 BC Greek first recorded history of magnetic effects 1100 AD Chinese constructed primitive magnetic compass 1200's Pierre de Maricourt (French) earliest recorded scientific inquiry into magnetism 1600 Willam Gilbert (English) discovered magnetic poles of Earth 1819 Christian Oersted (Danish) discovered that a magnetic compass is sensitive to the effect of an electric current flowing in a wire 1825 Andre-Marie Ampere published mathematical theory of electromagnetism 1831 Michael Faraday (English) discovered electromagnetic induction mid 1800's Jean-Baptist Biot (French) Felix Savart investigations on magnetic forces between current carrying wires 1864 James C. Maxwell (English) invented self-consistent theory of electromagnetism 1879 E.H. Hall (American) discovered effect bearing his name - transverse deflection of electric charge caused by magnetic field 1880's Heinrich Hertz (German) generated and detected electromagnetic waves early 1900's J.J. Larmor (English) theory of diamagnetic susceptability http://www.sru.edu/depts/artsci/physics/faculty/bas/teaching/spring99/101/em.htm EM 5 fh-pw
Seite 1 und 2: Elektrizität und Magnetismus Einle
Seite 3: Historischer Überblick ❐ Antikes
Seite 7 und 8: Coulombsches Gesetzes Charles A. de
Seite 9 und 10: Elektrisches Feld Eine Ladung sei
Seite 11 und 12: Beispiele ❐ Vorzeichenkonvention:
Seite 13 und 14: Elektrisches Potential ❐ Bewegt m
Seite 15 und 16: Leiter und Isolatoren ❐ Atome: Di
Seite 17 und 18: “Richtung” des Stromes ❐ ❐
Seite 19 und 20: Ohm'sches Gesetz ❐ Für die meist
Seite 21 und 22: Mikroskopische Betrachtung Wie hän
Seite 23: Beispiel: Hochspannungsleitung ❐

Elektrizität und Magnetismus

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