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Electromagnetic Field Theory

Book Description

This book extensively discusses the basic electromagnetic principles and laws involved in electrostatics, steady magnetic fields, time-varying magnetic fields, and uniform plane waves. Emphasis has been given to some critical topics like transmission lines, waveguides, and antennas.

Table of Contents

  1. Cover
  2. Title Page
  3. Contents
  4. About the Author
  5. Dedication
  6. Preface
  7. 1. Introduction to Vector Algebra
    1. 1.1 Introduction
    2. 1.2 Unit Vector
    3. 1.3 Addition and Subtraction of Vectors
    4. 1.4 Multiplication of Two Vectors
    5. 1.5 Multiplication of Three Vectors
    6. 1.6 Vector Components
    7. Solved Questions
    8. Unsolved Questions
    9. Summary
    10. Multiple-choice Questions
    11. Answers to Multiple-choice Questions
  8. 2. Coordinate Systems
    1. 2.1 Introduction
    2. 2.2 Cartesian Coordinate System
    3. 2.3 Cylindrical Coordinate System
    4. 2.4 Spherical Coordinate System
    5. Solved Questions
    6. Unsolved Questions
    7. Summary
    8. Multiple-choice Questions
    9. Answers to Multiple-choice Questions
  9. 3. Vector Calculus
    1. 3.1 Introduction
    2. 3.2 Line Integrals
    3. 3.3 Surface Integrals
    4. 3.4 Volume Integrals
    5. 3.5 Gradients of a Scalar Field
    6. 3.6 Divergence of Vector Fields
    7. 3.7 Divergence Theorem
    8. 3.8 Curl of a Vector
    9. 3.9 Stoke’s Theorem
    10. 3.10 The Laplacian Operator
    11. 3.11 Harmonic Field
    12. Solved Questions
    13. Unsolved Questions
    14. Summary
    15. Multiple-choice Questions
    16. Answers to Multiple-choice Questions
  10. 4. Metals, Dielectrics, Resistors, Capacitors, Inductors, Conductors and Magnetic Materials
    1. 4.1 Introduction
    2. 4.2 Conductor or Metals
    3. 4.3 Dielectrics or Insulators
    4. 4.4 Resistance and Ohm’s Law
    5. 4.5 Capacitor
    6. 4.6 Inductors, Inductances and Mutual Inductances
    7. 4.7 Conductors and Dielectrics
    8. 4.8 Nature of Magnetic Materials
    9. 4.9 Magnetic Dipole
    10. 4.10 Classifi cation of Magnetic Materials
    11. Solved Questions
    12. Unsolved Questions
    13. Summary
    14. Multiple-choice Questions
    15. Answers to Multiple-choice Questions
  11. 5. Electrostatics
    1. 5.1 Introduction
    2. 5.2 Coulomb’s Law and Field Intensity
    3. 5.3 Electric Dipole
    4. 5.4 Electric Field Intensity on Axial Line of Electric Dipole
    5. 5.5 Field Intensity on Equatorial Line of Electric Dipole
    6. 5.6 Electric Field Due to Continuous Charge Distributions
    7. 5.7 Electric Flux Density
    8. 5.8 Electric Potential
    9. 5.9 Gauss’s Law
    10. 5.10 Relation Between E and V
    11. 5.11 Electrostatic Energy or Energy Density
    12. 5.12 Continuity Equation
    13. 5.13 Poisson’s and Laplace’s Equation
    14. 5.14 Boundary Condition at the Interface of Two Mediums
    15. 5.15 Uniqueness Theorem
    16. 5.16 Method of Images (Mirror Images)
    17. Solved Questions
    18. Unsolved Questions
    19. Summary
    20. Multiple-choice Questions
    21. Answers to Multiple-choice Questions
  12. 6. Magnetostatics
    1. 6.1 Introduction
    2. 6.2 Magnetic Forces
    3. 6.3 Faraday’s Laws of Electromagnetic Induction
    4. 6.4 Lenz’s Law
    5. 6.5 BIOT-Savart Law
    6. 6.6 Ampere’s Circuital Law
    7. 6.7 Magnetic Flux
    8. 6.8 Magnetic Scalar Potential
    9. 6.9 Magnetic Vector Potential
    10. 6.10 Magnetic Field and Magnetization
    11. 6.11 Magnetic Boundary Conditions
    12. 6.12 Energy Stored in a Magnetic Field
    13. Solved Questions
    14. Unsolved Questions
    15. Summary
    16. Multiple-choice Questions
    17. Answers to Multiple-choice Questions
  13. 7. Maxwell’s Equations
    1. 7.1 Introduction
    2. 7.2 Displacement Current
    3. 7.3 Maxwell’s Equations
    4. 7.4 Summary of Maxwell’s Equation for Time-varying Fields
    5. 7.5 Maxwell’s Equation for Sinusoidal Time-varying Field
    6. 7.6 Boundary Conditions using Maxwell’s Equations
    7. Solved Questions
    8. Unsolved Questions
    9. Summary
    10. Multiple-choice Questions
    11. Answers to Multiple-choice Questions
  14. 8. Electromagnetic Waves
    1. 8.1 Introduction
    2. 8.2 Wave Equations for Waves Travelling in Space
    3. 8.3 Characteristics of Waves
    4. 8.4 Wave Propagation in Lossy Dielectric Medium
    5. 8.5 Wave Propagation in a Good Conductor
    6. 8.6 Wave Propagation in Good Dielectrics
    7. 8.7 Wave Propagation in Free Space
    8. 8.8 Depth of Penetration-Skin Depth
    9. 8.9 The Poynting Vector and Poynting Theorem
    10. 8.10 Reflection of a Plane Wave at Normal Incidence
    11. 8.11 Reflection of a Plane Wave at Oblique Incidence
    12. 8.12 Brewster’s Angle
    13. Solved Questions
    14. Unsolved Questions
    15. Summary
    16. Multiple-choice Questions
    17. Answers to Multiple-choice Questions
  15. 9. Transmission Lines
    1. 9.1 Introduction
    2. 9.2 Parameters of Transmission Lines
    3. 9.3 Types of Transmission Lines
    4. 9.4 Microstrip Line
    5. 9.5 Transmission Line Equation
    6. 9.6 Lossless and Lossy Transmission Lines
    7. 9.7 Input Impedance
    8. 9.8 Reflection Coefficient and Standing Wave Ratio
    9. 9.9 Transmission Line Impedance Matching
    10. 9.10 Smith Chart
    11. 9.11 Some Applications of Transmission Lines
    12. Solved Questions
    13. Unsolved Questions
    14. Summary
    15. Multiple-choice Questions
    16. Answers to Multiple-choice Questions
  16. 10. Wave Guides
    1. 10.1 Introduction
    2. 10.2 Rectangular Wave Guide
    3. 10.3 Various Modes
    4. 10.4 Wave Propagation Through the Guide
    5. 10.5 Power Transmission and Attenuation
    6. 10.6 Wave Guide Current and Mode Excitation
    7. 10.7 Wave Guide Resonators
    8. Solved Questions
    9. Unsolved Questions
    10. Summary
    11. Multiple-choice Questions
    12. Answers to Multiple-choice Questions
  17. 11. Radiation and Antennas
    1. 11.1 Introduction
    2. 11.2 Basic Antenna Parameters
    3. 11.3 Arrays
    4. 11.4 Retarded Potentials
    5. 11.5 Short Dipole Antenna
    6. 11.6 Radiation Resistance
    7. 11.7 Broadside Array
    8. Solved Questions
    9. Unsolved Questions
    10. Summary
    11. Multiple-choice Questions
    12. Answers to Multiple-choice Questions
  18. Appendix A
    1. Program 1: Addition of Two Vectors
    2. Program 2: Subtraction of Two Vectors
    3. Program 3: Finding the Magnitude of a Vector
    4. Program 4: Finding the Unit Vector
    5. Program 5: Finding the Dot Product of Two Vectors
    6. Program 6: Finding the Angle Between Two Vectors
    7. Program 7: Finding the Cross Product of Two Vectors
    8. Program 8: Finding the Cross Product of Two Vectors (Another Program)
    9. Program 9: Finding P • (Q × R)
    10. Program 10: Finding (P × Q) × R
    11. Program 11: Finding the Dot and Cross Products of Vectors
    12. Program 12: Coordinate System and Transformation Cartesian to Cylindrical
    13. Program 13: Coordinate System and Transformation Cartesian to Spherical
    14. Program 14: Coulomb’s Law
    15. Program 15: Coulomb’s Law (Another Program)
    16. Program 16: Finding the Electric Field Intensity
    17. Program 17: Finding the Electric Field Intensity (Another Program)
    18. Program 18: Finding the Force on a Wire
    19. Program 19: Finding the Magnetic Field of a Coil
    20. Program 20: Finding the Magnetic Field of a Coil (Another Program)
    21. Program 21: Plotting Polar Plot
    22. Program 22: Polar to Cartesian Conversion
    23. Program 23: Plotting the Mesh Plot in a Rectangular Region
    24. Program 24: Plotting the Mesh Plot in Cylindrical Coordinates
  19. Acknowledgements
  20. Copyright