1. 5/3/2019
Magnetic Forces,
Materials, and Devices 1

2. 5/3/2019 Figure 8.1 Force between two current loops.
Elements of Electromagnetics Fourth Edition Sadiku

3. 5/3/2019
Figure 8.2 Magnetic focusing of a beam of electrons: (a) helical paths of electrons, (b) end view of paths.
Elements of Electromagnetics Fourth Edition Sadiku

4. 5/3/2019 Figure 8.3 A velocity filter for charged particles.
Elements of Electromagnetics Fourth Edition Sadiku

5. 5/3/2019
Figure 8.4 For Example 8.4: (a) rectangular loop inside the field produced by an infinitely long wire, (b) forces acting on the loop and wire.
Elements of Electromagnetics Fourth Edition Sadiku

6. 5/3/2019
Figure 8.5 (a) Rectangular planar loop in a uniform magnetic field. (b) Cross-sectional view of part (a).
Elements of Electromagnetics Fourth Edition Sadiku

7. 5/3/2019 Figure 8.6 Magnetic field at P due to a current loop.
Elements of Electromagnetics Fourth Edition Sadiku

8. Table 8.2 Comparison between Electric and Magnetic Monopoles and Dipoles
Elements of Electromagnetics Fourth Edition Sadiku

9. 5/3/2019
Figure 8.7 The B lines due to magnetic dipoles: (a) a small current loop with m = IS, (b) a bar magnet with m = Qmℓ.
Elements of Electromagnetics Fourth Edition Sadiku

10. 5/3/2019 Figure 8.8 A bar magnet in an external magnetic field.
Elements of Electromagnetics Fourth Edition Sadiku

11. 5/3/2019 Figure 8.9 Triangular loop of Example 8.5.
Elements of Electromagnetics Fourth Edition Sadiku

12. 5/3/2019
Figure (a) Electron orbiting around the nucleus. (b) Electron spin.
Elements of Electromagnetics Fourth Edition Sadiku

13. 5/3/2019
Figure Circular current loop equivalent to electronic motion of Figure 8.10.
Elements of Electromagnetics Fourth Edition Sadiku

14. 5/3/2019
Figure Magnetic dipole moment in a volume Dv: (a) before B is applied, (b) after B is applied.
Elements of Electromagnetics Fourth Edition Sadiku

15. 5/3/2019 Figure 8.13 Classification of magnetic materials.
Elements of Electromagnetics Fourth Edition Sadiku

16. 5/3/2019
Figure Magnetic screening: (a) iron shield protecting a small compass, (b) compass gives erroneous reading without the shield.
Elements of Electromagnetics Fourth Edition Sadiku

17. 5/3/2019 Figure 8.15 Typical magnetization (B–H) curve.
Elements of Electromagnetics Fourth Edition Sadiku

18. 5/3/2019
Figure Boundary conditions between two magnetic media: (a) for B, (b) for H.
Elements of Electromagnetics Fourth Edition Sadiku

19. 5/3/2019
Figure For Example 8.8.
Elements of Electromagnetics Fourth Edition Sadiku

20. 5/3/2019
Figure For Example 8.9.
Elements of Electromagnetics Fourth Edition Sadiku

21. 5/3/2019 Figure 8.19 Magnetic field B produced by a circuit.
Elements of Electromagnetics Fourth Edition Sadiku

22. 5/3/2019 Figure 8.20 Magnetic interaction between two circuits.
Elements of Electromagnetics Fourth Edition Sadiku

23. 5/3/2019 Figure 8.21 A differential volume in a magnetic field.
Elements of Electromagnetics Fourth Edition Sadiku

24. Table 8.3 A Collection of Formulas for Inductance of Common Elements
Elements of Electromagnetics Fourth Edition Sadiku

25. 5/3/2019
Figure Cross section of the coaxial cable: (a) for region 1, 0 < r < a, (b) for region 2, a < r < b; for Example 8.11.
Elements of Electromagnetics Fourth Edition Sadiku

26. 5/3/2019 Figure 8.23 Two coaxial circular wires; for Example 8.13.
Elements of Electromagnetics Fourth Edition Sadiku

27. 5/3/2019
Figure Analogy between (a) an electric circuit and (b) a magnetic circuit.
Elements of Electromagnetics Fourth Edition Sadiku

28. 5/3/2019 Figure 8.25 An electromagnet.
Elements of Electromagnetics Fourth Edition Sadiku

29. 5/3/2019
Figure (a) Toroidal core of Example (b) Its equivalent electric circuit analog.
Elements of Electromagnetics Fourth Edition Sadiku

30. 5/3/2019 Figure 8.27 Magnetic circuit for Example 8.15.
Elements of Electromagnetics Fourth Edition Sadiku

31. 5/3/2019
Figure Electric circuit analog of the magnetic circuit in Figure 8.27.
Elements of Electromagnetics Fourth Edition Sadiku

32. 5/3/2019 Figure 8.29 U-shaped electromagnet; for Example 8.16.
Elements of Electromagnetics Fourth Edition Sadiku

33. 5/3/2019 Figure 8.30 A levitated object.
Elements of Electromagnetics Fourth Edition Sadiku

34. 5/3/2019
Figure Maglev train.
Elements of Electromagnetics Fourth Edition Sadiku

35. 5/3/2019 Figure 8.32 For Review Questions 8.3 and 8.4.
Elements of Electromagnetics Fourth Edition Sadiku

36. 5/3/2019
Figure For Problem 8.5.
Elements of Electromagnetics Fourth Edition Sadiku

37. 5/3/2019
Figure For Problem 8.6.
Elements of Electromagnetics Fourth Edition Sadiku

38. 5/3/2019
Figure For Problem 8.9.
Elements of Electromagnetics Fourth Edition Sadiku

39. 5/3/2019
Figure For Problem 8.10.
Elements of Electromagnetics Fourth Edition Sadiku

40. 5/3/2019
Figure For Problem 8.11.
Elements of Electromagnetics Fourth Edition Sadiku

41. 5/3/2019
Figure For Problem 8.15.
Elements of Electromagnetics Fourth Edition Sadiku

42. 5/3/2019
Figure For Problem 8.32.
Elements of Electromagnetics Fourth Edition Sadiku

43. 5/3/2019
Figure For Problem 8.44.
Elements of Electromagnetics Fourth Edition Sadiku

44. 5/3/2019
Figure For Problem 8.45.
Elements of Electromagnetics Fourth Edition Sadiku

45. 5/3/2019
Figure For Problem 8.48.
Elements of Electromagnetics Fourth Edition Sadiku

46. 5/3/2019
Figure For Problem 8.49.
Elements of Electromagnetics Fourth Edition Sadiku

47. 5/3/2019
Figure For Problem 8.50.
Elements of Electromagnetics Fourth Edition Sadiku

48. Figure For Problem 8.51.
Elements of Electromagnetics Fourth Edition Sadiku