### EC6403 EMF Question Papers

Anna University Regulation 2013 Electronic Communications Engineering ECE EC6403 EMF old Question Papers for previous years are provided below. Download link for ECE 4th SEM EC6403 ELECTROMAGNETIC FIELDS Previous Year Question Papers are 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

Previous Year Question Papers

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Anna University 4th SEM ECE EMF Question Papers with answers

EC6403 ELECTROMAGNETIC FIELDS previous year question papers free download

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EC6403 Question Papers with answers, EMF previous year question bank – ECE 4th Semester

**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**