# Previous year question paper for ET (B-TECH Electronics and Communication Engineering 4th)

## Electromagnetic therory

### Previous year question paper with solutions for Electromagnetic therory from 2013 to 2016

Our website provides solved previous year question paper for Electromagnetic therory from 2013 to 2016. Doing preparation from the previous year question paper helps you to get good marks in exams. From our ET question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

SECTION-A

Coordinate systems and transformation: Cartesian coordinates, circular cylindrical coordinates, spherical

coordinates Vector calculus: Differential length, area and volume, line surface and volume integrals, del

operator, gradient of a scalar, divergence of a vector and divergence theorem, curl of a vector and Stoke’s

theorem, Laplacian of a scalar

SECTION-B

Electrostatics: Electrostatic fields, Coulombs law and field intensity, Electric field due to charge distribution,

Electric flux density, Gausses’s Law – Maxwell’s equation, Electric dipole and flux lines, energy density in

electrostatic fields. Electric field in material space: Properties of materials, convection and conduction

currents, conductors, polarization in dielectrics, dielectric constants, continuity equation and relaxation time,

boundary condition. Electrostatic boundary value problems: Poission’s and Laplace’s equations, general

procedures for soling Poission’s or Laplace’s equations, resistance and capacitance, method of images.

SECTION-C

Magnetostatics: Magneto-static fields, Biot-Savart’s Law, Ampere’s circuit law, Maxwell’s equation,

application of ampere’s law, magnetic flux density- Maxwell’s equation, Maxwell’s equation for static

fields, magnetic scalar and vector potential.

Magnetic forces, materials and de vices: Forces due to magnetic field, magnetic torque and moment, a

magnetic dipole, magnetization in materials, magnetic boundary conditions, inductors and inductances,

magnetic energy

SECTION-D

Waves and applications: Maxwell’s equation, Faraday’s Law, transformer and motional electromotive

forces, displacement current, Maxwell’s equation in final form.

Electromagnetic wave propagation: Wave propagation in lossy dielectrics, plane waves in lossless

dielectrics, plane wave in free space, plain waves in good conductors, power and the pointing vector,

reflection of a plain wave in a normal incidence. Transmission lines: Transmission line parameters,

Transmission line equations, input impedance, standing wave ratio and power,

2016
2015
2014
2013