EC1305 Transmission Lines And Waveguides (R 2004) May/June 2014 Question Paper

[Antony Maria Jerome]

Anna University

B.E / B.TECH EXAMINATION MAY/JUNE 2014

Department of ECE
5th Semester
EC1305 Transmission Lines And Waveguides Question paper

(Regulation 2004/2007)

Semester : 5

Department : ECE
Subject Code : EC1305
Subject Name : Transmission Lines And Waveguides
Type : Question Paper
Syllabus Regulation : 2004/2007
Attachment Type : pdf
Details : EC1305 Transmission Lines And Waveguides Question Paper

Question Paper Code: 533841

B.E.lB.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.
Fifth Semester
Electronics and Communication Engineering
EG 1305 -TRANSMISSION LINES AND WAVEGUIDES
'(Regulation 2004/2007)
(Common to B.E. (Part-Time) Fourth Semester - Regulation 2005)
Time: Three hours
Maximum: 100 marks
Answer ALL questions.
PART A - (10 x 2 = 20 marks)
1. Find the reflection coefficient of a 50 Q transmission line when it is terminated by a load impedance of 50 + j 75 Q.
2. Sketch the voltage and current curve on a dissipation less line when the line is terminated by characteristics resistance Ro and 3Ro.
3. Enumerate few applications of half-wave line.
4. What is the procedure for finding the impedance from the given admittance using Smith chart.
5. What is principal wave?
6. Denote the expression that relates phase velocity (Vp), group velocity (Vg) and free space velocity ©.
7. Why is the TEio wave calledas dominant wave in rectangular wave guide?
8. How is the TElO mode launched or initiated in rectangular wave guide using probe?
9. Why is the Bessel's function of the second kind (Neumann's function) not applicable for the field analysis inside the circular wave guide?
10. Distinguish between wave guides and cavity resonator.

Attachment : 
  EC1305 MJ 2014.pdf (Size: 1.71 MB / Downloads: 185)

[Srini]

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