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How Gsn Raju Simplifies Electromagnetic Field Theory and Transmission Lines with Diagrams and Examples: A PDF Analysis

Gsn Raju Electromagnetic Field Theory Pdf 35

Electromagnetic field theory is one of the fundamental subjects in electrical engineering that deals with the study of electric and magnetic fields and their interactions with matter. It has many applications in various fields such as communication, electronics, power systems, biomedical engineering, aerospace engineering, etc. Understanding electromagnetic field theory is essential for designing and analyzing devices and systems that involve electromagnetic phenomena.

Gsn Raju Electromagnetic Field Theory Pdf 35

One of the renowned authors and experts in this field is Gsn Raju, who is a professor of electronics and communication engineering at Andhra University, India. He has more than four decades of teaching and research experience in electromagnetic field theory and its related areas. He has published several books, papers, reports and patents on this subject. He has also received many awards and honors for his academic excellence and contributions to the field.

One of his popular books is Electromagnetic Field Theory and Transmission Lines, which was published by Pearson Education India in 2006. This book is an ideal textbook for a single semester, first course on electromagnetic field theory at the undergraduate level. It covers all the basic concepts, notations, representations and principles that govern the field of electromagnetic field theory. It also covers some advanced topics such as electromagnetic interference, electromagnetic compatibility, EMC standards and design methods for EMC.

Overview of the book

The book has 13 chapters and 584 pages. The chapters are organized as follows:



Main Topics



- Basic definitions and concepts- Vector analysis- Coordinate systems- Differential operators- Line integrals- Surface integrals- Volume integrals



- Coulomb's law- Electric field intensity- Electric flux density- Gauss's law- Divergence theorem- Electric potential- Poisson's equation- Laplace's equation- Energy stored in an electric field


Conductors in Static Electric Field

- Properties of conductors- Boundary conditions at conductor surfaces- Capacitance- Capacitors- Method of images- Electrostatic shielding


Dielectrics in Static Electric Field

- Properties of dielectrics- Polarization- Electric displacement- Boundary conditions at dielectric interfaces- Capacitance of dielectric media- Energy stored in a dielectric medium- Forces on dielectrics


Electrostatic Fields in Matter

- Electric dipole- Electric dipole moment- Electric polarization density- Electric susceptibility- Electric displacement vector- Boundary conditions for electric fields in matter- Linear, isotropic and homogeneous dielectrics



- Biot-Savart law- Magnetic field intensity- Magnetic flux density- Ampere's circuital law- Stoke's theorem- Magnetic vector potential- Magnetic force- Torque on a current loop


Magnetic Materials and Circuits

- Properties of magnetic materials- Magnetization- Magnetic permeability- Boundary conditions at magnetic interfaces- Magnetic circuits- Inductance- Energy stored in a magnetic field


Time Varying Fields and Maxwell's Equations

- Faraday's law of electromagnetic induction- Lenz's law- Displacement current- Maxwell's equations in integral form and differential form- Maxwell's equations in different media and coordinate systems


Electromagnetic Waves

- Wave equation and its solution in free space and lossy media- Plane waves and their characteristics- Polarization of plane waves- Reflection and refraction of plane waves at normal and oblique incidence- Poynting vector and power flow in electromagnetic waves


Transmission Lines

- Transmission line parameters: resistance, inductance, capacitance and conductance per unit length- Transmission line equations and solutions: voltage and current waves, characteristic impedance, propagation constant, phase velocity, wavelength, etc.- Transmission line losses: attenuation, distortion and reflection coefficient


Transmission Line Applications- Standing wave ratio (SWR) and its measurement: SWR meter, slotted line, etc.- Impedance matching techniques: quarter-wave transformer, single-stub matching, double-stub matching, etc.- Smith chart and its applications: impedance plotting, admittance plotting, impedance matching, etc.- Transmission line resonators: short-circuited line, open-circuited line, etc.- Microstrip lines: types, characteristics, advantages and disadvantages 12Waveguides and Cavity Resonators- Waveguides: types, modes, cut-off frequency, phase velocity, group velocity, attenuation, etc.- Cavity resonators: types, modes, resonant frequency, quality factor, etc.- Rectangular waveguides and cavity resonators: TE modes, TM modes, TEM modes, field expressions, characteristic equations, etc.- Circular waveguides and cavity resonators: TE modes, TM modes, TEM modes, field expressions, characteristic equations, etc. 13Electromagnetic Interference and Compatibility (EMI/EMC)- Sources and effects of EMI/EMC: natural sources, man-made sources, conducted EMI/EMC, radiated EMI/EMC, etc.- EMI/EMC standards: national standards, international standards, military standards, etc.- EMI/EMC measurements: EMI/EMC test equipment, EMI/EMC test methods, EMI/EMC test procedures, etc.- EMI/EMC design methods: shielding methods, grounding methods, filtering methods, bonding methods, etc.

Features and benefits of the book

the wave in the waveguide.

  • Q: What is the difference between electromagnetic interference and electromagnetic compatibility?A: Electromagnetic interference (EMI) is the unwanted or harmful effect of electromagnetic fields or waves on the performance or functioning of an electronic device or system. Electromagnetic compatibility (EMC) is the ability of an electronic device or system to operate without causing or being affected by electromagnetic interference.

  • Q: What is the difference between shielding and grounding methods for EMI/EMC design?A: Shielding is the method of enclosing an electronic device or system with a conductive material that blocks or reflects the electromagnetic fields or waves from entering or leaving the device or system. Grounding is the method of connecting an electronic device or system to a common reference point such as the earth that provides a low impedance path for the unwanted currents or voltages induced by the electromagnetic fields or waves.



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