1. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.1 (a) The graphic symbol for an inductor with an inductance of L henrys. (b) Assigning reference voltage and current to the inductor, following the passive sign convention.

2. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.2 The circuit for Example 6.1.

3. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.3 The current waveform for Example 6.1.

4. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.4 The voltage waveform for Example 6.1.

5. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.5 The circuit for Example 6.2.

6. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.6 The voltage waveform for Example 6.2.

7. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.7 The current waveform for Example 6.2.

8. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.8 The variables i, v, p, and w versus t for Example 6.1.

9. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.9 The variables i, v, p, and w versus t for Example 6.2.

10. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.10 (a) The circuit symbol for a capacitor. (b) Assigning reference voltage and current to the capacitor, following the passive sign convention.

11. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.11 The variables i, v, p, and w versus t for Example 6.4.

12. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.12 The variables i, v, p, and w versus t for Example 6.5.

13. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.13 Inductors in series.

14. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.14 An equivalent circuit for inductors in series carrying an initial current i(t 0 ).

15. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.15 Three inductors in parallel.

16. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.16 An equivalent circuit for three inductors in parallel.

17. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.17 An equivalent circuit for capacitors connected in series. (a) The series capacitors. (b) The equivalent circuit.

18. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.18 An equivalent circuit for capacitors connected in parallel. (a) Capacitors in parallel. (b) The equivalent circuit.

19. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.19 Two magnetically coupled coils.

20. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.20 Coil currents i 1 and i 2 used to describe the circuit shown in Fig. 6.19.

21. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.21 The circuit of Fig. 6.20 with dots added to the coils indicating the polarity of the mutually induced voltages.

22. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.22 The self- and mutually induced voltages appearing across the coils shown in Fig. 6.21.

23. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.23 A set of coils showing a method for determining a set of dot markings.

24. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.24 An experimental setup for determining polarity marks.

25. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.25 The circuit for Example 6.6.

26. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.26 The circuit of Example 6.6 when t = ∞.

27. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.27 Representation of a magnetic field linking an N-turn coil.

28. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.28 Two magnetically coupled coils.

29. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.29 The magnetically coupled coils of Fig. 6.28, with coil 2 excited and coil 1 open.

30. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.30 The circuit used to derive the basic energy relationships.

31. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.31 An elevator call button. (a) Front view. (b) Side view.

32. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.32 A capacitor model of the two-electrode proximity switch used in elevator call buttons.

33. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.33 A circuit model of a capacitive proximity switch activated by finger touch.

34. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.34 An elevator call button circuit.

35. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.35 A model of the elevator call button circuit with no finger present.

36. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure 6.36 A model of the elevator call button circuit when activated by finger touch.

37. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel

38. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel

39. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.1

40. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.3

41. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.4

42. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.5

43. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.9

44. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.13

45. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.14

46. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.15

47. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.16

48. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.20

49. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.21

50. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.23

51. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.25

52. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.26

53. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.27

54. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.29

55. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.31

56. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.34

57. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.35

58. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.39

59. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.40

60. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.41

61. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.42

62. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.51

63. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.43

64. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.52

65. Copyright ©2011, ©2008, ©2005 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Electric Circuits, Ninth Edition James W. Nilsson Susan A. Riedel Figure P6.53