Subject Details
Dept     : ECE
Sem      : 4
Regul    : 2019
Faculty : R.Poornima
phone  : NIL
E-mail  : poornima.r.ece@snsct.org
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Syllabus

UNIT
1
STATIC ELECTRIC FIELD

Vector Analysis-Coulomb’s law- Electric Field intensity due to a point charge, Line charge and sheet of charges- superposition property-Electric potential: Potential due to a point charge, Line charge and dipole – gradient of potential – Electric Flux density-Gauss Law and its applications –divergence of flux density- Poisson’s and Laplace Equations.

UNIT
2
DIELECTRICS & STEADY ELECTRIC CURRENT

Dielectrics-polarization-Method of Images-Dielectric boundary conditions-Capacitance: parallel plate, isolated sphere, spherical shells, co-axial cylinder-energy and energy density in a capacitor-energy in the charged distribution. Current-current density-point form of ohms law-continuity equation for current- Duality of current density and electric flux density.

UNIT
3
STEADY MAGNETIC FIELD

Biot-Savart’s law-Ampere’s Circuital law-Magnetic field intensity and flux density-Magnetic field intensity due to current carrying wire, square and circular loops- boundary conditions –Lorentz’s Force equation –Force between two wires and torque: Design Thinking Approach.

UNIT
4
TIME VARYING FIELDS & MAXWELL’S EQUATION

Faraday’s Law-, Displacement Current- Maxwell’s Equation in integral and differential form for steady and time varying fields- Poynting vector and power flow-Scalar & vector magnetic potential.

UNIT
5
ELECTROMAGNETIC WAVES

Derivation of wave equation-uniform Plane waves, Applications – Maxwell’s Equation in Phasor form –Wave Equation in Phasor form-plane waves in free space and in homogenous material. Wave Equation for a conducting medium- plane waves in a lossy dielectrics – Depth of penetration.

Reference Book:

1 K.A. Gangadhar, “Field Theory”, 16th Edition, I Reprint, Khanna Publishers, 2008. 2 Matthew N.O.Sadiku: “Elements of Engineering Electromagnetics” Oxford University Press, 4th Edition, 2007. 3 S.P.Seth ,“ Elements of Electromagnetic Fields “ DhanapatRai publishing company, 3rd edition New Delhi 2009. 4 Stanley V.Marshall and Gabriel, skitek G, “Electromagnetic concepts and applications”, Prentice Hall, New Delhi,,1996.

Text Book:

1 John.D.Kraus, “Electromagnetics”, 5th Edition , Tata McGraw Hill ,2010. 2. W. H.Hayt& J A Buck: “Engineering Electromagnetics” Tata McGraw-Hill, 7th Edition 2007.

 

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