Electromagnetic Fields Anna University Notes – EC2253 EMF Lecture notes, Subject Notes for ECE -4th Semester
Electromagnetic Fields Anna University Notes – EC2253 EMF notes download. here we have Anna University notes for Electromagnetic Fields Subject and content of EC2253 EMF anna university Notes. download EC2253 Electromagnetic Fields Anna University Lecture Notes, Subject Notes, and Unit Wise Notes and EC2253 Syllabus.
EC2253 ELECTROMAGNETIC FIELDS ANNA UNIVERSITY NOTES – EC2253 EMF NOTES
Subjects : Electromagnetic Fields (EMF)
Subject Code : EC2253
Department : ECE
Semester : 4th Sem
University : Anna University, Chennai
Anna University Electromagnetic Fields Notes – EC2253 EMF Notes download
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Content of EC2253 Notes :
UNIT I STATIC ELECTRIC FIELDS
Introduction to Co-ordinate System – Rectangular – Cylindrical and Spherical Co-ordinate System – Introduction to line, Surface and Volume Integrals – Definition of Curl, Divergence and Gradient – Meaning of Stokes theorem and Divergence theorem
Coulomb’s Law in Vector Form – Definition of Electric Field Intensity – Principle of Superposition – Electric Field due to discrete charges – Electric field due to continuous charge distribution – Electric Field due to charges distributed uniformly on an infinite and finite line – Electric Field on the axis of a uniformly charged circular disc – Electric Field due to an infinite uniformly charged sheet.
Electric Scalar Potential – Relationship between potential and electric field – Potential due to infinite uniformly charged line – Potential due to electrical dipole – Electric Flux Density – Gauss Law – Proof of Gauss Law – Applications.
UNIT II STATIC MAGNETIC FIELD
The Biot-Savart Law in vector form – Magnetic Field intensity due to a finite and infinite wire carrying a current I – Magnetic field intensity on the axis of a circular and rectangular loop carrying a current I – Ampere’s circuital law and simple applications.
Magnetic flux density – The Lorentz force equation for a moving charge and applications – Force on a wire carrying a current I placed in a magnetic field – Torque on a loop carrying a current I – Magnetic moment – Magnetic Vector Potential.
UNIT III ELECTRIC AND MAGNETIC FIELDS IN MATERIALS
Poisson’s and Laplace’s equation – Electric Polarization-Nature of dielectric materials- Definition of Capacitance – Capacitance of various geometries using Laplace’s equation – Electrostatic energy and energy density – Boundary conditions for electric fields – Electric current – Current density – point form of ohm’s law – continuity equation for current.
Definition of Inductance – Inductance of loops and solenoids – Definition of mutual inductance – simple examples. Energy density in magnetic fields – Nature of magnetic materials – magnetization and permeability – magnetic boundary conditions.
UNIT IV TIME VARYING ELECTRIC AND MAGNETIC FIELDS
Faraday’s law – Maxwell’s Second Equation in integral form from Faraday’s Law – Equation expressed in point form.
Displacement current – Ampere’s circuital law in integral form – Modified form of Ampere’s circuital law as Maxwell’s first equation in integral form – Equation expressed in point form. Maxwell’s four equations in integral form and differential form.
Poynting Vector and the flow of power – Power flow in a co-axial cable – Instantaneous Average and Complex Poynting Vector.
UNIT V ELECTROMAGNETIC WAVES
Derivation of Wave Equation – Uniform Plane Waves – Maxwell’s equation in Phasor form – Wave equation in Phasor form – Plane waves in free space and in a homogenous material.
Wave equation for a conducting medium – Plane waves in lossy dielectrics – Propagation in good conductors – Skin effect.
Linear, Elliptical and circular polarization – Reflection of Plane Wave from a conductor – normal incidence – Reflection of Plane Waves by a perfect dielectric – normal and oblique incidence. Dependence on Polarization. Brewster angle.
- W H.Hayt & J A Buck : “Engineering Electromagnetics” TATA McGraw-Hill, 7th Edition 2007 (Unit I,II,III ).
- E.C. Jordan & K.G. Balmain “Electromagnetic Waves and Radiating Systems.” Pearson Education/PHI 4nd edition 2006. (Unit IV, V).
1. Matthew N.O.Sadiku: “Elements of Engineering Electromagnetics” Oxford University Press, 4th edition, 2007
2. Narayana Rao, N : “Elements of Engineering Electromagnetics” 6th edition, Pearson Education, New Delhi, 2006.
3. Ramo, Whinnery and Van Duzer: “Fields and Waves in Communications Electronics” John Wiley & Sons ,3rd edition 2003.
4. David K.Cheng: “Field and Wave Electromagnetics – Second Edition-Pearson Edition, 2004.
5. G.S.N. Raju, Electromagnetic Field Theory & Transmission Lines, Pearson Education, 2006
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