Electronics Engineering > Electromagnetics

## Electromagnetics

Learn the Concepts of Electromagnetics and test your knowledge

## CHOOSE YOUR TOPIC

## Vector Analysis

In this topic, we learn about Scalars and Vectors, Vector Algebra, The Rectangular Coordinate System, Vector Components and Unit Vectors, The Vector Field, The Dot Product, The Cross Product etc

## Coulomb’s Law and Electric Field Intensity

In this topic, we learn about The Experimental Law of Coulomb, Electric Field Intensity, Field Arising from a Continuous Volume Charge Distribution, Field of a Line Charge, Field of a Sheet of Charge etc

## Electric Flux Density, Gauss’s Law, and Divergence

In this topic, we learn about Electric Flux Density, Gauss’s Law, Application of Gauss’s Law: Some Symmetrical Charge Distributions, Application of Gauss’s Law: Differential Volume Element etc

## Energy and Potential

In this topic, we learn about Energy Expended in Moving a Point Charge in an Electric Field, The Line Integral, Definition of Potential Difference and Potential, The Potential Field of a Point Charge etc

## Conductors and Dielectrics

In this topic, we learn about Current and Current Density, Continuity of Current, Metallic Conductors, Conductor Properties and Boundary Conditions, The Method of Images Semiconductors etc

## Capacitance

In this topic, we learn about Capacitance Defined, Parallel-Plate Capacitor, Several Capacitance Examples, Capacitance of a Two-Wire Line, Using Field Sketches to Estimate Capacitance in Two-Dimensional Problems etc

## The Steady Magnetic Field

In this topic, we learn about Biot-Savart Law, Ampere’s Circuital Law, Curl, Stokes’ Theorem, Magnetic Flux and Magnetic Flux Density, The Scalar and Vector Magnetic Potentials, Derivation of the Steady-Magnetic-Field Laws

## Magnetic Forces, Materials, and Inductance

In this topic, we learn about Force on a Moving Charge, Force on a Differential Current Element, Force between Differential Current Elements, Force and Torque on a Closed Circuit, The Magnetic Circuit etc

## Time-Varying Fields and Maxwell’s Equations

In this topic, we learn about Faraday’s Law, Displacement Current, Maxwell’s Equations in Point Form, Maxwell’s Equations in Integral Form, The Retarded Potentials

## Transmission Lines

In this topic, we learn about Physical Description of Transmission Line Propagation, The Transmission Line Equations, Lossless Propagation of Sinusoidal Voltages, Complex Analysis of Sinusoidal Waves etc

## The Uniform Plane Wave

In this topic, we learn about Wave Propagation in Free Space, Wave Propagation in Dielectrics, Poynting’s Theorem and Wave Power, Propagation in Good Conductors: Skin Effect, Wave Polarization

## Plane Wave Reflection and Dispersion

In this topic, we learn about Reflection of Uniform Plane Waves at Normal Incidence, Standing Wave Ratio, Wave Reflection from Multiple Interfaces, Plane Wave Propagation in General Directions etc

## Guided Waves

In this topic, we learn about Transmission Line Fields and Primary Constants, Basic Waveguide Operation, Plane Wave Analysis of the Parallel-Plate Waveguide, Rectangular Waveguides, Optical Fiber etc

## Electromagnetic Radiation and Antennas

In this topic, we learn about Basic Radiation Principles: The Hertzian Dipole, Antenna Specifications, Magnetic Dipole, Thin Wire Antennas, Arrays of Two Elements, Uniform Linear Arrays, Antennas as Receivers