1. Lecture 14: More on Sinusoidal Steady-State Analysis Nilsson & Riedel 9.3-9.6 ENG17 (Sec. 2): Circuits I Spring 2014 1 May 15, 2014

2. Overview Phasors Passive Circuit Elements Kirchoff’s Laws Series / Parallel Simplifications 2

3. Phasors Defined: complex number that carries the amplitude and phase angle information as a sinusoidal function. Euler’s Identity 3

4. Overview Phasors Passive Circuit Elements Kirchoff’s Laws Series / Parallel Simplifications 4

5. V-I Relationship for Resistor 5

6. V-I Relationship for Inductor 6

7. V-I Relationship for Capacitor 7

8. Impedance and Reactance 8

9. Overview Phasors Passive Circuit Elements Kirchoff’s Laws Series / Parallel Simplifications 9

10. KVL & KCL 10

11. Overview Phasors Passive Circuit Elements Kirchoff’s Laws Series / Parallel Simplifications 11

12. Impedances in Series 12

13. Impedances in Parallel 13

14. Delta-to-Wye 14

15. Overview Phasors Passive Circuit Elements Kirchoff’s Laws Series / Parallel Simplifications 15