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The Best Book on Electromagnetics: Elements of Electromagnetics, 3rd Ed., Matthew N.O. Sadiku

- What are the main topics covered in the book - Who is the author and what is his background H2: Vector Analysis - What is vector analysis and how it is used in electromagnetics - What are the basic concepts and operations of vector analysis - What are the coordinate systems and transformations used in electromagnetics H2: Electrostatics - What is electrostatics and what are the laws governing it - What are the electric field and potential and how to calculate them - What are the capacitance and energy of electrostatic systems H2: Steady Electric Currents - What are steady electric currents and what are the laws governing them - What are the resistance and power of electric circuits - What are the magnetic field and force due to steady currents H2: Magnetostatics - What is magnetostatics and what are the laws governing it - What are the magnetic flux density and vector potential - What are the inductance and energy of magnetostatic systems H2: Maxwell's Equations for Time-Varying Fields - What are time-varying fields and what are the laws governing them - What are Maxwell's equations and how to derive them - What are the boundary conditions for time-varying fields H2: Plane-Wave Propagation - What are plane waves and how to describe them - What are the properties of plane waves in different media - What are the polarization and reflection of plane waves H2: Waveguides and Resonators - What are waveguides and resonators and how to analyze them - What are the modes and characteristics of waveguides - What are the resonant frequencies and fields of resonators H2: Radiation and Antennas - What is radiation and how to calculate it - What are the parameters and types of antennas - What are the radiation patterns and arrays of antennas H2: Modern Topics in Electromagnetics - What are some of the modern topics in electromagnetics - How to apply electromagnetics to microwaves, fiber optics, etc. - How to deal with electromagnetic interference and compatibility H1: Conclusion - Summarize the main points of the article - Highlight the benefits of reading the book - Provide some suggestions for further reading or learning # Article with HTML formatting Introduction

Electromagnetics is one of the most fundamental and fascinating branches of physics that deals with electric and magnetic phenomena. It has a wide range of applications in engineering, science, medicine, communication, etc. Electromagnetics is also essential for understanding other fields such as optics, quantum mechanics, relativity, etc.

Elements Of Electromagnetics, 3rd Ed., Matthew N.O. Sadiku ....pdf

If you want to learn electromagnetics in a clear, comprehensive, and interesting way, you should read Elements of Electromagnetics by Matthew N.O. Sadiku. This book is designed for undergraduate students who take a course in electromagnetics. It covers all the basic concepts and applications of electromagnetics in a logical and pedagogical manner. It also includes many examples, exercises, figures, tables, and references to help you master electromagnetics.

The author of this book is Matthew N.O. Sadiku, who is a professor of electrical engineering at Temple University. He has a PhD in electrical engineering from Tennessee Technological University. He has written several books on electromagnetics, circuits, numerical methods, etc. He has also received many awards for his teaching and research excellence.

Vector Analysis

Vector analysis is a mathematical tool that is used to describe physical quantities that have both magnitude and direction. Examples of such quantities are force, velocity, electric field, magnetic field, etc. Vector analysis is very useful for solving problems in electromagnetics, as it simplifies the calculations and provides a clear physical interpretation.

Some of the basic concepts and operations of vector analysis are scalar and vector products, dot and cross products, gradient, divergence, curl, Laplacian, etc. These operations can be used to find the magnitude, direction, rate of change, divergence, curl, etc. of a vector field. They can also be used to verify some of the important theorems in electromagnetics, such as Gauss's law, Stokes's theorem, divergence theorem, etc.

One of the challenges in electromagnetics is to deal with different coordinate systems and transformations. Depending on the geometry and symmetry of the problem, it may be convenient to use Cartesian, cylindrical, or spherical coordinates. Each coordinate system has its own unit vectors, differential elements, and formulas for vector operations. It is important to know how to convert from one coordinate system to another and how to express a vector field in different coordinate systems.


Electrostatics is the study of electric charges at rest and the fields and forces they produce. Electrostatics is governed by two fundamental laws: Coulomb's law and Gauss's law. Coulomb's law states that the force between two point charges is proportional to the product of their charges and inversely proportional to the square of their distance. Gauss's law states that the electric flux through a closed surface is equal to the net charge enclosed by the surface divided by the permittivity of free space.

The electric field is a vector quantity that describes the force per unit charge exerted by a charge distribution at a given point. The electric potential is a scalar quantity that describes the work per unit charge done by the electric field in moving a charge from a reference point to a given point. The electric field and potential are related by the gradient operation: the electric field is equal to the negative gradient of the potential. The electric field and potential can be calculated by using Coulomb's law or Gauss's law for simple charge distributions or by using superposition principle for complex charge distributions.

The capacitance is a scalar quantity that describes the ability of a system of conductors to store electric charge and energy when connected to a voltage source. The capacitance is equal to the ratio of the charge on one conductor to the potential difference between the conductors. The energy of an electrostatic system is equal to the work done by the voltage source in charging the system. The energy can be expressed in terms of the charge, potential, or capacitance of the system.

Steady Electric Currents

Steady electric currents are electric currents that do not vary with time. Steady electric currents are produced by moving charges in a conductor or a circuit. Steady electric currents are governed by two fundamental laws: Ohm's law and Kirchhoff's laws. Ohm's law states that the current in a conductor is proportional to the potential difference across it and inversely proportional to its resistance. Kirchhoff's laws state that the sum of currents entering a junction is equal to the sum of currents leaving it (current law) and that the sum of potential drops around a closed loop is equal to zero (voltage law).

The resistance is a scalar quantity that describes how much a conductor opposes the flow of current. The resistance depends on the material, length, cross-sectional area, and temperature of the conductor. The power is a scalar quantity that describes how much energy is converted into heat per unit time by a resistor. The power is equal to the product of the current and potential difference across the resistor.

The magnetic field is a vector quantity that describes the force per unit current length exerted by a current-carrying conductor at a given point. The magnetic force is a vector quantity that describes the force exerted on a current-carrying conductor or a moving charge in a magnetic field. The magnetic field and force are related by Biot-Savart law or Ampere's law for simple current distributions or by superposition principle for complex current distributions. 71b2f0854b


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