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Electromagnetics II

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Electromagnetics II

This text is intended as the primary textbook for the second semester of an undergraduate engineering electromagnetics sequence. It addresses magnetic force and the Biot-Savart law; general and lossy media; parallel plate and rectangular waveguides; parallel wire, microstrip, and coaxial transmission lines; AC current flow and skin depth; reflection and transmission at planar boundaries; fields in parallel plate, parallel wire, and microstrip transmission lines; optical fiber; and radiation.

Electrical EngineeringEngineering
Author
Steven W. Ellingson
Publisher
Virginia Tech
Source
LibreTexts
License
CC BY-SA
Language
EN
Read online Download PDF (open licence)
Contents· 95 sections
  1. 01: Preliminary Concepts
  2. 1.01: Units
  3. 1.02: Notation
  4. 1.03: Coordinate Systems
  5. 1.04: Electromagnetic Field Theory- A Review
  6. 02: Magnetostatics Redux
  7. 2.01: Lorentz Force
  8. 2.02: Magnetic Force on a Current-Carrying Wire
  9. 2.03: Torque Induced by a Magnetic Field
  10. 2.04: The Biot-Savart Law
  11. 2.05: Force Energy and Potential Difference in a Magnetic Field
  12. 03: Wave Propagation in General Media
  13. 3.01: Poyntings Theorem
  14. 3.02: Poynting Vector
  15. 3.03: Wave Equations for Lossy Regions
  16. 3.04: Complex Permittivity
  17. 3.05: Loss Tangent
  18. 3.06: Plane Waves in Lossy Regions
  19. 3.07: Wave Power in a Lossy Medium
  20. 3.08: Decibel Scale for Power Ratio
  21. 3.09: Attenuation Rate
  22. 3.10: Poor Conductors
  23. 3.11: Good Conductors
  24. 3.12: Skin Depth
  25. 04: Current Flow in Imperfect Conductors
  26. 4.01: AC Current Flow in a Good Conductor
  27. 4.02: Impedance of a Wire
  28. 4.03: Surface Impedance
  29. 05: Wave Reflection and Transmission
  30. 5.01: Plane Waves at Normal Incidence on a Planar Boundary
  31. 5.02: Plane Waves at Normal Incidence on a Material Slab
  32. 5.03: Total Transmission Through a Slab
  33. 5.04: Propagation of a Uniform Plane Wave in an Arbitrary Direction
  34. 5.05: Decomposition of a Wave into TE and TM Components
  35. 5.06: Plane Waves at Oblique Incidence on a Planar Boundary- TE Case
  36. 5.07: Plane Waves at Oblique Incidence on a Planar Boundary- TM Case
  37. 5.08: Angles of Reflection and Refraction
  38. 5.09: TE Reflection in Non-magnetic Media
  39. 5.10: TM Reflection in Non-magnetic Media
  40. 5.11: Total Internal Reflection
  41. 5.12: Evanescent Waves
  42. 06: Waveguides
  43. 6.01: Phase and Group Velocity
  44. 6.02: Parallel Plate Waveguide- Introduction
  45. 6.03: Parallel Plate Waveguide- TE Case Electric Field
  46. 6.04: Parallel Plate Waveguide- TE Case Magnetic Field
  47. 6.05: Parallel Plate Waveguide- TM Case Electric Field
  48. 6.06: Parallel Plate Waveguide- The TM0 Mode
  49. 6.07: General Relationships for Unidirectional Waves
  50. 6.08: Rectangular Waveguide- TM Modes
  51. 6.09: Rectangular Waveguide- TE Modes
  52. 6.10: Rectangular Waveguide- Propagation Characteristics
  53. 07: Transmission Lines Redux
  54. 7.01: Parallel Wire Transmission Line
  55. 7.02: Microstrip Line Redux
  56. 7.03: Attenuation in Coaxial Cable
  57. 7.04: Power Handling Capability of Coaxial Cable
  58. 7.05: Why 50 Ohms
  59. 08: Optical Fiber
  60. 8.01: Optical Fiber- Method of Operation
  61. 8.02: Acceptance Angle
  62. 8.03: Dispersion in Optical Fiber
  63. 09: Radiation
  64. 9.01: Radiation from a Current Moment
  65. 9.02: Magnetic Vector Potential
  66. 9.03: Solution of the Wave Equation for Magnetic Vector Potential
  67. 9.04: Radiation from a Hertzian Dipole
  68. 9.05: Radiation from an Electrically-Short Dipole
  69. 9.06: Far-Field Radiation from a Thin Straight Filament of Current
  70. 9.07: Far-Field Radiation from a Half-Wave Dipole
  71. 9.08: Radiation from Surface and Volume Distributions of Current
  72. 10: Antennas
  73. 10.01: How Antennas Radiate
  74. 10.02: Power Radiated by an Electrically-Short Dipole
  75. 10.03: Power Dissipated by an Electrically-Short Dipole
  76. 10.04: Reactance of the Electrically-Short Dipole
  77. 10.05: Equivalent Circuit Model for Transmission Radiation Efficiency
  78. 10.06: Impedance of the Electrically-Short Dipole
  79. 10.07: Directivity and Gain
  80. 10.08: Radiation Pattern
  81. 10.09: Equivalent Circuit Model for Reception
  82. 10.10: Reciprocity
  83. 10.11: Potential Induced in a Dipole
  84. 10.12: Equivalent Circuit Model for Reception Redux
  85. 10.13: Effective Aperture
  86. 10.14: Friis Transmission Equation
  87. 11: Constitutive Parameters of Some Common Materials
  88. 11.01: Permittivity of Some Common Materials
  89. 11.02: Permeability of Some Common Materials
  90. 11.03: Conductivity of Some Common Materials
  91. 12: Mathematical Formulas
  92. 12.01: Trigonometry
  93. 12.02: Vector Operators
  94. 12.03: Vector Identities
  95. 13: Physical Constants