Chapter 2 Fundamentals of Electric Circuits Tai-Cheng Lee Electrical Engineering/GIEE 1.

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Presentation transcript:

Chapter 2 Fundamentals of Electric Circuits Tai-Cheng Lee Electrical Engineering/GIEE 1

Ideal Voltage Sources 2

Representations of an Electrical System 3

Ideal Current Sources 4

Dependent (Controlled) Sources 5

Branch 6

Node and Supernode 7

Loop 8

Mesh 9

Electric Current 10

Kirchhoff’s Current Law - KCL (I) 11

Kirchhoff’s Current Law - KCL (II) 12

Kirchhoff’s Current Law - KCL (III) 13

Kirchhoff’s Voltage Law – KVL 14

Voltage 15

Sources and Loads 16

Ground 17

Electric Vehicle Battery Pack 18

Application of KVL (I) 19

Application of KVL (II) 20

Electric Power 21

Passive Sign Convention 22

Example 23

Representation of Circuit Elements 24

I-V Characteristics (I) 25

I-V Characteristics (II) 26

Resistance Element and Ohm’s Law 27

Nonlinear Elements 28

Resistor Color Code 29

Resistor Power Ratings 30

Open and Short Circuits 31

Series Resistors and the Voltage Divider 32

Voltage Divider 33

Parallel Resistors and the Current Divider 34

Current Divider 35

Series – Parallel Circuit 36

Wheatstone Bridge 37

Throttle Position Sensor (I) 38

Throttle Position Sensor (II) 39

Resistance Strain Gauges 40

Wheatstone Bridge and Force Measurement 41

Practical Voltage Sources 42

Practical Current Sources 43

Ohmmeter 44

Ammeter 45

Voltmeter 46

Wattmeter 47

Appendix (I) 48

Appendix (II) 49

Appendix (III) 50