ELEC2299-ECAD-02-ResistiveCircuits.pptx - ELEC2299 Electrical Circuit Analysis Design Resistive Circuits Chapter 2 September 10-12 2018 1 Review from

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September 10-12, 2018 ELEC2299 Electrical Circuit Analysis & Design Resistive Circuits Chapter 2 10/30/18 1

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Review from Last Class 10/30/18 2 Current, Voltage, Power Direction, Direction, Direction Voltage Drop in the Assumed Direction of the Current
Objectives 10/30/18 3 How do elements act? Sources Resistors How are elements connected? Branches Nodes Loops

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Circuit Elements 10/30/18 4 Active Independent sources Dependent sources Passive Resistors Capacitors Inductors
Sources 10/30/18 5 Independent Voltage Source Dependent Voltage Source Independent Current Source Dependent Current Source + - + - + - + -

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Dependent Sources 10/30/18 6
Passive Elements 10/30/18 7 Resistors Capacitors Inductors

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Element I-V Relationships 10/30/18 8 Current-Voltage relationship of a single device/element. An equation/mathematical model used to describe the device. + v i - v=Constant i=Constant v=f(i)
Note on Resistors ONLY 10/30/18 9 Ohm’s Law: named for the German physicist Georg Simon Ohm, who is credited with establishing the voltage-current (V-I) relationship for resistor. + - V I Voltage across a resistance is directly proportional to the current flowing through it

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Note on Resistors ONLY 10/30/18 10 P=(dw/dq)*(dq/dt)=iv
• Fall '12
• G
• Volt, Electrical resistance, Thévenin's theorem, Voltage drop, Electrical Circuit Analysis & Design

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