Electromagnetic Theory And Transmission Lines(2-2)

(16EC409)

UNIT I
ELECTROSTATICS-I: Coulomb‗s Law, Electric Field Intensity – Fields due to Different
Charge Distributions, Electric Flux Density, Gauss Law and Applications, Electric Potential,
Relations Between E and V, Maxwell‗s Two Equations for Electrostatic Fields, Energy
Density, Illustrative Problems.
ELECTROSTATICS-II: Convection and Conduction Currents, Dielectric Constant,
Isotropic and Homogeneous Dielectrics, Continuity Equation, Relaxation Time, Poisson‗s
and Laplace‗s Equations; Capacitance – Parallel Plate, Coaxial, Spherical Capacitors,
Illustrative Problems.
UNIT II
MAGNETOSTATICS: Biot-Savart Law, Ampere‗s Circuital Law and Applications,
Magnetic Flux Density, Maxwell‗s Two Equations for Magnetostatic Fields, Magnetic Scalar
and Vector Potentials, Forces due to Magnetic Fields, Ampere‗s Force Law, Inductances and
Magnetic Energy. Illustrative Problems.

UNIT III
MAXWELL’S EQUATIONS (TIME VARYING FIELDS): Faraday‗s Law and
Transformer EMF, Inconsistency of Ampere‗s Law and Displacement Current Density,
Maxwell‗s Equations in Different Final Forms and Word Statements. Conditions at a Boundary Surface: Dielectric-Dielectric and Dielectric-Conductor Interfaces. Illustrative
Problems.
UNIT IV
EM WAVE CHARACTERISTICS – I: Wave Equations for Conducting and Perfect
Dielectric Media, Uniform Plane Waves – Definition, All Relations between E & H,
Sinusoidal Variations, Wave Propagation in Lossless and Conducting Media, Conductors &
Dielectrics – Characterization, Wave Propagation in Good Conductors and Good Dielectrics,
Polarization, Illustrative Problems.
EM WAVE CHARACTERISTICS – II: Reflection and Refraction of Plane Waves –
Normal and Oblique Incidences, for both Perfect Conductor and Perfect Dielectrics, Brewster
Angle, Critical Angle and Total Internal Reflection, Surface Impedance, Poynting Vector and
Poynting Theorem – Applications, Power Loss in a Plane Conductor, Illustrative Problems.

UNIT V
TRANSMISSION LINES – I : Types, Parameters, Transmission Line Equations, Primary &
Secondary Constants, Expressions for Characteristic Impedance, Propagation Constant, Phase
and Group Velocities, Infinite Line Concepts, Lossless / Low Loss Characterization,
Distortion – Condition for Distortionless and Minimum Attenuation, Loading – Types of
Loading, Illustrative Problems.
TRANSMISSION LINES – II : Input Impedance Relations, SC and OC Lines, Reflection
Coefficient, VSWR, UHF Lines as Circuit Elements; λ/4, λ/2, λ/8 Lines – Impedance
Transformations, Significance of Zmin and Zmax , Smith Chart – Configuration and
Applications, Single and Double Stub Matching, Illustrative Problems.
TEXT BOOKS:
1. Elements of Electromagnetics – Matthew N.O. Sadiku, Oxford Univ. Press, 4th ed., 2008.
2. Engineering Electromagnetics – William H. Hayt Jr. and John A. Buck, TMH, 7th ed.,
2006

REFERENCES:
1. Electromagnetic Waves and Radiating Systems – E.C. Jordan and K.G. Balmain, PHI, 2nd
Edition, 2000.
2. Engineering Electromagnetics – Nathan Ida, Springer (India) Pvt. Ltd., New Delhi, 2nd
ed., 2005.
3. Transmission Lines and Networks – Umesh Sinha, Satya Prakashan, Tech. India
Publications, 2001
4. Fundamentals of Electromagnetics for Engineering – Nannapaneni Narayana Rao,
Pearson Edu. 2009.

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