Elements of Electromagnetics Fourth Edition Sadiku 1 Maxwells
- Slides: 24
Elements of Electromagnetics Fourth Edition Sadiku 1
Maxwell’s Equations Elements of Electromagnetics Fourth Edition Sadiku 2
Figure 9. 1 Examples of time-varying current: (a) sinusoidal, (b) rectangular, (c) triangular. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 3
Figure 9. 2 A circuit showing emf-producing field Ef and electrostatic field Ee. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 4
Figure 9. 3 Induced emf due to a stationary loop in a time-varying B field. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 5
Figure 9. 4 A direct-current machine. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 6
Figure 9. 5 Induced emf due to a moving loop in a static B field. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 7
Figure 9. 6 For Example 9. 1. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 8
Figure 9. 7 For Example 9. 2; polarity is for increasing emf. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 9
Figure 9. 8 Magnetic circuit of Example 9. 3. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 10
Figure 9. 9 For Practice Exercise 9. 3. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 11
Figure 9. 10 Two surfaces of integration showing the need for Jd in Ampère’s circuit law. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 12
Figure 9. 11 Electromagnetic flow diagrams showing the relationship between the potentials and vector fields: (a) electrostatic system, (b) magnetostatic system, (c) electromagnetic system. [Adapted with permission from the Publishing Department of the Institution of Electrical Engineers. ] Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 13
Figure 9. 12 Representation of a phasor z = x + jy = rÐf. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 14
Figure 9. 13 For Review Question 9. 2. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 15
Figure 9. 14 For Review Question 9. 3. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 16
Figure 9. 15 For Review Question 9. 5 and Problem 9. 10. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 17
Figure 9. 16 For Problem 9. 3. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 18
Figure 9. 17 For Problem 9. 5. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 19
Figure 9. 18 For Problem 9. 6. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 20
Figure 9. 19 For Problem 9. 7. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 21
Figure 9. 20 For Problem 9. 8. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 22
Figure 9. 21 For Problem 9. 11. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 23
Figure 9. 22 For Problem 9. 12. Elements of Electromagnetics Fourth Edition Sadiku Copyright © 2007 Oxford University Press 24
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