**EC6403 EMF Syllabus**

Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6403 EMF Important Questions for all 5 units are provided below. Download link for ECE 4th SEM EC6403 ELECTROMAGNETIC FIELDS Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

Anna University Regulation 2013 Electronic Communications Engineering (ECE)

4th SEM EC6403 EMF-ELECTROMAGNETIC FIELDS Syllabus

**EC6403 EMF Syllabus** L T P C 3 0 0 3

**OBJECTIVES:**

- To impart knowledge on the basics of static electric and magnetic field and the associated laws.
- To give insight into the propagation of EM waves and also to introduce the methods in computational electromagnetics.
- To make students have depth understanding of antennas, electronic devices, Waveguides is possible.

**UNIT I STATIC ELECTRIC FIELD 9**

Vector Algebra, Coordinate Systems, Vector differential operator, Gradient, Divergence, Curl, Divergence theorem, Stokes theorem, Coulombs law, Electric field intensity, Point, Line, Surface and Volume charge distributions, Electric flux density, Gauss law and its applications, Gauss divergence theorem, Absolute Electric potential, Potential difference, Calculation of potential differences for different configurations. Electric dipole, Electrostatic Energy and Energy density.

**UNIT II CONDUCTORS AND DIELECTRICS 9**

Conductors and dielectrics in Static Electric Field, Current and current density, Continuity equation, Polarization, Boundary conditions, Method of images, Resistance of a conductor, Capacitance, Parallel plate, Coaxial and Spherical capacitors, Boundary conditions for perfect dielectric materials, Poisson‟s equation, Laplace‟s equation, Solution of Laplace equation, Application of Poisson‟s and Laplace‟s equations.

**UNIT III STATIC MAGNETIC FIELDS 9**

Biot -Savart Law, Magnetic field Intensity, Estimation of Magnetic field Intensity for straight and circular conductors, Ampere‟s Circuital Law, Point form of Ampere‟s Circuital Law, Stokes theorem, Magnetic flux and magnetic flux density, The Scalar and Vector Magnetic potentials, Derivation of Steady magnetic field Laws.

**UNIT IV MAGNETIC FORCES AND MATERIALS 9**

Force on a moving charge, Force on a differential current element, Force between current elements, Force and torque on a closed circuit, The nature of magnetic materials, Magnetization and permeability, Magnetic boundary conditions involving magnetic fields, The magnetic circuit, Potential energy and forces on magnetic materials, Inductance, Basic expressions for self and mutual inductances, Inductance evaluation for solenoid, toroid, coaxial cables and transmission lines, Energy stored in Magnetic fields.

**UNIT V TIME VARYING FIELDS AND MAXWELL’S EQUATIONS 9**

Fundamental relations for Electrostatic and Magnetostatic fields, Faraday‟s law for Electromagnetic induction, Transformers, Motional Electromotive forces, Differential form of Maxwell‟s equations, Integral form of Maxwell‟s equations, Potential functions, Electromagnetic boundary conditions, Wave equations and their solutions, Poynting‟s theorem, Time harmonic fields, Electromagnetic Spectrum.

TOTAL (L:45+T:15): 60 PERIODS

**OUTCOMES:**

Upon completion of the course, the students would be able to- Analyze field potentials due to static changes and static magnetic fields.
- Explain how materials affect electric and magnetic fields.
- Analyze the relation between the fields under time varying situations.
- Discuss the principles of propagation of uniform plane waves.

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EC6403 Syllabus, EMF Unit wise Syllabus – ECE 4th Semester