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Unformatted text preview: b) Kirchhoff's law (for stationary or quasistatic currents) current passing through surface c) Joule's heating law powerdensity velocity force density charge density for moving particles (dissipated energy per time & volume) d) Restistance cross section area Kirchhoff's law: (independent of x) Ohm for any path C R: resistance along path C Lecture Notes Page 2 confined to source! inner resistance voltage of source electrostatic Field force per unit charge e) Electromotive Force Along full circuit: Any vector field F can be decomposed into transversal and longitudinal part: Here: Source outer circuit Note: 'Source' is in a way defined as the region where f= 0 Lecture Notes Page 3...
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 Winter '09
 NorbertLutkenhaus
 Charge, Conductivity, Force, Friction

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