Lecture29 - Chapter 6

# Lecture29 - Chapter 6 - EE216 C ircuit Analysis I Le cture...

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1 EE216 Circuit Analysis I Lecture # 29 – Chapter 6

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Inductance, Capacitance & Mutual Inductance - Overview So far, we havestudied resistive networks and applied circuit analysis tools to resistivenetworks. Rest assured thecircuit analysis tools are general and apply to other electrical circuit elements as well. Now, westudy remaining two circuit elements: Inductor – relates to the phenomenon of induced voltage dueto flow of current in a magnetic field. Capacitor – relates to the phenomenon of displacement current dueto separation of chargein an electric field. Series or Parallel combinations of inductors/capacitors Mutual Inductance
3 Inductance Inductors are madeof wires wound around magnetic or non-magnetic corecarrying current. Inductance is thecircuit parameter used to describe an inductor. Inductanceis thebehavior based on phenomena associated with magnetic fields. The sourceof magnetic field is charge in motion, or current. If the current varies with time, the magnetic field also varies with time. A timevarying magnetic field induces a voltagein any conductor linked by themagnetic field. Recall “Right Hand Rule” studied in previous years.

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4 Inductance Inductor: Thecircuit element used to model theinduced voltage to the current in a magnetic field Circuit symbol: Units: Henry Volts•second/Ampere L i v
5 Inductors – V/I relationship

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