1. EE 1270 Introduction to Electric Circuits Suketu Naik 0 EE 1270: Introduction to Electric Circuits Lecture 1 Introduction Chapter 1 Circuit Variables

2. EE 1270 Introduction to Electric Circuits Suketu Naik 1 Overview of Electrical Engineering  Power Systems (Classical EE)  Generators: nuclear, hydro (water), thermal (coal,gas)  Power Lines: transmission lines, distribution  Grid System and Managment: efficient distribution of electric power, redundancy to avoid black outs  EE 4900 (Power Systems (?)) by Dr. Larry Zeng EE 1270: Introduction to Electric Circuits

3. EE 1270 Introduction to Electric Circuits Suketu Naik 2 Overview of Electrical Engineering  Control Systems  Regulate and control processes  Control what? temperature (thermostat), pressure, flow rate (oil refinery), fuel-air mixture in cars, motors, doors, switches (everywhere), autopilot, sprinkler system and irrigation system  EE 4100 (Control Systems) by Dr. Larry Zeng EE 1270: Introduction to Electric Circuits

4. EE 1270 Introduction to Electric Circuits Suketu Naik 3 Overview of Electrical Engineering  Computer Systems  Computing: Pocket calculators, computers, supercomputers, embedded processors  Processors: Central Processing Unit (CPU), Microcontroller unit (MCU), Digital Signal Processor (DSP)  EE 3610 (Digital Systems), EE 3710 (Embedded Systems), EE 4710 (Real-Time Systems) by Dr. Fon Brown EE 1270: Introduction to Electric Circuits

5. EE 1270 Introduction to Electric Circuits Suketu Naik 4 Overview of Electrical Engineering  Signal Processing  Transform electric signals into information: process data from satellites, CT scanners, MRI, smart phones  EE 3210 (Signals and Systems), EE 4210 (Digital Signal Processing) by Dr. Larry Zeng EE 1270: Introduction to Electric Circuits

6. EE 1270 Introduction to Electric Circuits Suketu Naik 5 Overview of Electrical Engineering  Communication Systems  Generate, transmit and distribute information: radio, cell phones/smart phones, satellite communication systems, radio telescopes, wireless communication  EE 3110 (Microelectronics I), EE 3120 (Microelectronics II) by Dr. Justin Jackson, EE 4410 (Communication Circuits and Systems) by Dr. Chris Trampel EE 1270: Introduction to Electric Circuits

7. EE 1270 Introduction to Electric Circuits Suketu Naik 6 Overview of Electrical Engineering  Sensors and Sensor electronics: gather data to be processed later  Electromagnetics: classical study of electrostatics (capacitors), magnetostatics (inductors) and Maxwell ’ s equations EE 1270: Introduction to Electric Circuits

8. EE 1270 Introduction to Electric Circuits Suketu Naik 7 Overview of Electrical Engineering  It's all related - Multidisciplinary Field EE 1270: Introduction to Electric Circuits

9. EE 1270 Introduction to Electric Circuits Suketu Naik 8 Overview of Electrical Engineering  It's all related - Multidisciplinary Field EE 1270: Introduction to Electric Circuits

10. EE 1270 Introduction to Electric Circuits Suketu Naik 9 Overview of Electrical Engineering  It's all related - Multidisciplinary Field EE 1270: Introduction to Electric Circuits

11. EE 1270 Introduction to Electric Circuits Suketu Naik 10 Overview of Electrical Engineering  It's all related - Multidisciplinary Field EE 1270: Introduction to Electric Circuits

12. EE 1270 Introduction to Electric Circuits Suketu Naik 11 TABLE 1.2 Derived Units in SI Common SI Units

13. EE 1270 Introduction to Electric Circuits Suketu Naik 12 TABLE 1.3 Standardized Prefixes to Signify Powers of 10 Power of Ten

14. EE 1270 Introduction to Electric Circuits Suketu Naik 13 Electric Effects: Voltage and Current Positive Charge Negative Charge Voltage is due to separation of Charge=Electric Force Current is due to motion of Charge=Electric Flow

15. EE 1270 Introduction to Electric Circuits Suketu Naik 14 Figure 1.5 An ideal basic circuit element

16. EE 1270 Introduction to Electric Circuits Suketu Naik 15 Passive Sign Convention i + -  Current flows from positive terminal to negative terminal (positive charge moves from positive to negative) It can be a Resistor, Capacitor, Inductor or in general any circuit element

17. EE 1270 Introduction to Electric Circuits Suketu Naik 16 Assessment Problem 1.3, 1.4

18. EE 1270 Introduction to Electric Circuits Suketu Naik 17 Figure 1.6 Power

19. EE 1270 Introduction to Electric Circuits Suketu Naik 18 Problem 1.15