This introduction to electromagnetic theory emphasises on applications in electronic engineering. The book explores the relationship between fundamental principles and the idealisations of electric circuit theory. This is an ideal introductory text for degree students

The text includes numerical and approximate methods for calculating resistance capacitance and inductance.

Contents
Preface
1. Electrostatics in free space
1.1 The inverse square law of force between two electric charges
1.2 The electric field
1.3 Gauss’ theorem
1.4 The differential form of Gauss’ theorem
1.5 Electrostatic potential
1.6 Calculation of potential in simple cases
1.7 Calculation of the electric field from the potential
1.8 Conducting materials in electrostatic fields
1.9 The method of images
1.10 Laplace’s and Poisson’s equations
1.11 The finite difference method
1.12 Summary
2. Dielectric materials and capacitance
2.1 Insulating materials in electric fields
2.2 Solution of problems involving dielectric materials
2.3 Boundary conditions
2.4 Capacitance
2.5 Electrostatic screening
2.6 Calculation of capacitance
2.7 Energy storage in the electric field
2.8 Calculation of capacitance by energy methods
2.9 Finite element method
2.10 Boundary element method
2.11 Summary
3. Steady electric currents
3.1 Conduction of electricity
3.2 Ohmic heating
3.3 The distribution of current density in conductors
3.4 Electric fields in the presence of currents
3.5 Electromotive force
3.6 Calculation of resistance
3.7 Calculation of resistance by energy methods
3.8 Summary
4. The magnetic effects of electric currents
4.1 The law of force between two moving charges
4.2 Magnetic flux density
4.3 The magnetic circuit law
4.4 Magnetic scalar potential
4.5 Forces on current-carrying conductors
4.6 Summary
5. The magnetic effects of iron
5.1 Introduction
5.2 Ferromagnetic materials
5.3 Boundary conditions
5.4 Flux conduction and magnetic screening
5.5 Magnetic circuits
5.6 Fringing and leakage
5.7 Hysteresis
5.8 Solution of problems in which μ cannot be regarded as constant
5.9 Permanent magnets
5.10 Using permanent magnets efficiently
5.11 Summary
6. Electromagnetic induction
6.1 Introduction
6.2 The current induced in a conductor moving through a steady magnetic field
6.3 The current induced in a loop of wire moving through a non-uniform magnetic field
6.4 Faraday’s law of electromagnetic induction
6.5 Inductance
6.6 Electromagnetic interference
6.7 Calculation of inductance
6.8 Energy storage in the magnetic field
6.9 Calculation of inductance by energy methods
6.10 The LCRZ analogy
6.11 Energy storage in iron
6.12 Hysteresis loss
6.13 Eddy currents
6.14 Real electronic components
6.15 Summary
7. Transmission lines
7.1 Introduction
7.2 The circuit theory of transmission lines
7.3 Representation of waves using complex numbers
7.4 Characteristic impedance
7.5 Reflection of waves at the end of a line
7.6 Pulses on transmission lines
7.7 Reflection of pulses at the end of a line
7.8 Transformation of impedance along a transmission line
7.9 The quarter-wave transformer
7.10 The coaxial line
7.11 The electric and magnetic fields in a coaxial line
7.12 Power flow in a coaxial line
7.13 Summary
8. Maxwell’s equations and electromagnetic waves
8.1 Introduction
8.2 Maxwell’s form of the magnetic circuit law
8.3 The differential form of the magnetic circuit law
8.4 The differential form of Faraday’s law
8.5 Maxwell’s equations
8.6 Plane electromagnetic waves in free space
8.7 Power flow in an electromagnetic wave
8.9 Summary

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