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

2. Ideal Voltage Sources 2

3. Representations of an Electrical System 3

4. Ideal Current Sources 4

5. Dependent (Controlled) Sources 5

6. Branch 6

7. Node and Supernode 7

8. Loop 8

9. Mesh 9

10. Electric Current 10

11. Kirchhoff’s Current Law - KCL (I) 11

12. Kirchhoff’s Current Law - KCL (II) 12

13. Kirchhoff’s Current Law - KCL (III) 13

14. Kirchhoff’s Voltage Law – KVL 14

15. Voltage 15

16. Sources and Loads 16

17. Ground 17

18. Electric Vehicle Battery Pack 18

19. Application of KVL (I) 19

20. Application of KVL (II) 20

21. Electric Power 21

22. Passive Sign Convention 22

23. Example 23

24. Representation of Circuit Elements 24

25. I-V Characteristics (I) 25

26. I-V Characteristics (II) 26

27. Resistance Element and Ohm’s Law 27

28. Nonlinear Elements 28

29. Resistor Color Code 29

30. Resistor Power Ratings 30

31. Open and Short Circuits 31

32. Series Resistors and the Voltage Divider 32

33. Voltage Divider 33

34. Parallel Resistors and the Current Divider 34

35. Current Divider 35

36. Series – Parallel Circuit 36

37. Wheatstone Bridge 37

38. Throttle Position Sensor (I) 38

39. Throttle Position Sensor (II) 39

40. Resistance Strain Gauges 40

41. Wheatstone Bridge and Force Measurement 41

42. Practical Voltage Sources 42

43. Practical Current Sources 43

44. Ohmmeter 44

45. Ammeter 45

46. Voltmeter 46

47. Wattmeter 47

48. Appendix (I) 48

49. Appendix (II) 49

50. Appendix (III) 50