1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER-IV EXAMINATION SUMMER 2017
Subject Code: X40904 Date:02/06/2017
Subject Name: Theory of Electromagnetics
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

What is coordinate system? Explain any one coordinate systems.
06

Explain following terms with suitable example:
1. Cross product 2. Dot product 3. Curl operator 4. Unit vector.
08
Q.2

Describe Coulomb's law with necessary sketches and equations.
07

Explain Gauss's law with suitable diagrams.
07
OR

Explain Divergence theorem.
07
Q.3

State and explain Laplace's law with necessary equation.
07

State and explain Poisson's law with suitable example.
07
OR
Q.3

State and explain Biot Savart's law with suitable example.
07

State and explain Ampere's circuital with necessary equation.
07
Q.4

State and explain Faraday's law.
07

State and explain Lorentz force equation.
07
OR
Q.4

Write a short note on Magneto Hydrodynamic generator.
07

State and explain Maxwell's equation for electrostatic.
07
Q.5

Explain FDM method with suitable example.
10

Enlist advantages of Numerical techniques.
04
OR
Q.5

Explain FEM method with suitable example.
10

Explain different applications of Numerical techniques.
04