Anna University
B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Fourth Semester
Electronics and Communication Engineering
EC2253 — ELECTROMAGNETIC FIELDS
(Regulation 2008)
Time: Three hours
Maximum: 100 Marks
Answer ALL Questions
PART A — (10 x 2 = 20 Marks)
1. State Stoke’s theorem.
2. Define electric scalar potential.
3. State Biot-Savart law.
4. Write down Lorentz force equation.
5. Define dielectric strength of material and give its unit.
6. What do you mean by Magnetization?
7. What is Displacement current density?
8. State Poynting vector.
9. What is skin effect?
10. Define Brewster angle.
Part B – (5 X 16 = 80)
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