Electronics Engineering > Electromagnetics
Electromagnetics
Learn the Concepts of Electromagnetics and test your knowledge
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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