Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PD -SEMESTER 1 (NEW SYLLABUS) EXAMINATION- WINTER 2018
Subject Code: 2911102 Date: 05-01-2019
Subject Name: Electromagnetics Theory
Time: 10:30 am to 01:00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
q.1
With neat and clean sketches explain cylindrical coordinate system.


State and explain Ampere's circuit law.

q.2
State and explain Coulomb's law with necessary equation.


Explain Following: The Dot Product, The Cross Product.

OR

Given points a b and c 1). Find: ii) the angle between and iii) the length of projection of on
iv) The vector projection of on .

q.3
State and explain divergence theorem.


State and explain Coulomb's law with necessary equation.

OR
q.3
Write a short note on electric dipole.


Write a brief note on potential gradient.

q.4
State and explain Lorentz's force equation.


Write Poisson's Equation with details.

OR
q.4
Explain dielectric-dielectric boundary conditions. Also derive the relationship between electric flux densities in both the dielectrics.


Define potential and potential difference. Prove that E -grad V.

q.5
Discuss Maxwell's equations in integral form and point form.


Write short note on Magneto Hydro Dynamic generator.

OR
q.5
State and explain BiotSavart's Law.


Write a brief note on uniform plane wave propagation in free space.