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