B.TechSemester 62024-25Antenna And Wave PropagationBEC603

Antenna And Wave Propagation (BEC603) - AKTU Question Paper 2024-25

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Antenna And Wave Propagation Previous Year Question Paper for B.Tech Semester 6, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 6

Session:2024-25

University:AKTU / UPTU

Rate this paper

Questions Asked in 2024-25

Antenna And Wave Propagation (BEC603) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14

a
What is End fire array and draw its radiation pattern?
b
What are the applications of Helical antenna?
c
Distinguish between the conducti on current anddisplacement current
d
Why magnetic dipole does not exist?
e
D e f i n e V S W R 3 K 2
f
Define beam solid angle and antenna beam efficiency
g
What are the various modes of Propagation?

Section BAttempt any three of the following: 07 x 3 = 21

a
State and explain the divergence theorem. Illustrate its app lication using a suitable example
b
Explain the array of N- sources of equal amplitude and spaci ng- End fire case, also calculate thedirection of pattern minima
c
Draw the structure of Log- periodic antenna also explain the why we called it frequencyindependent antenna?
d
If V = e - z sin2x cosh y, P = x 2yz a x +xz a z and Q = ρ sinΦ a ρ + ρ 2 z a Φ +z cosΦ a z . Determine: (i) Gradient of the V (ii) Divergence of Q (iii) Curl of P
e
Define electric potential. De rive an expression for potentia l due to point charge

Section CAttempt any one part of the following: 07 x 1 = 07

a
Draw the structure of 3-eleme nts Yagi-Uda antenna and give t he dimensions and spacing between the elements in terms of wavelength?
b
Write short notes [any two]
a
Physical significance of divergence and curl
b
Displacement current
c
Physical significance of Maxwell IV th equation

Find out the vector magnetic potential due to the

followings;
i) Line current ii) circular current loop

b
Derive an expression for the power radiated by the current e lement and calculate the radiationresistance
a
Show that the Effective Earth’ s Radius in Space Wave Propagation is;
```
Reff = 4/3R
Where R=actual radius of earth
```
b
Derive an expression for the e lectric field and magnetic fie ld due to a current element at adistance point in free space
a
Derive the differential form of all Maxwell’s Equations ande xplain the physical significance
b
Explain the effect of Earth’s Magnetic Field on Radio wavePropagation
a
With a suitable diagram explai n the construction and princip le ofoperation of log–periodic antenna
b
Explain briefly the various m odes of Propagationalso describ e Ground Wave Propagation in detail

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Antenna And Wave Propagation — Other Year Papers

AKTU Antenna And Wave Propagation PYQs from other sessions

Antenna And Wave Propagation2021-22 Antenna And Wave Propagation2022-23 Antenna And Wave Propagation2023-24

More B.Tech Semester 6 (2024-25) Papers

Other subjects from same semester and session

CMOS Digital Design Techniques2024-25 Special Electrical Machines2024-25 Augmented Virtual Reality2024-25 Software Engineering2024-25 River Engineering2024-25 Data Compression2024-25 Repair And Rehabilitation Of Structures2024-25 Idea To Business Model2024-25

View all B.Tech Semester 6 2024-25 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 3rd Year PYQs — All Branches