Download PTU B.Tech 2020 March EEE 7th and 8th Sem Antenna And Wave Propagation Question Paper

FirstRanker.com

Roll No. ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ Total No. of Pages : 02

Total No. of Questions : 09

--- Content provided by‌ FirstRanker.com ---

B.Tech.(Electronics & Electrical Engg.) (2012 to 2017) (Sem.=7)

B.Tech.(Electrical & Electronics Engg.) (2013 & Onwards)

ANTENNA & WAVE PROPAGATION

Subject Code : BTEEE-801

M.Code : 71962

--- Content provided by‍ FirstRanker.com ---

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

--- Content provided by​ FirstRanker.com ---

SECTION-A

1. Answer briefly :
   1. Define effective height.
   2. State field principle equivalence.
   3. What do you understand by the term omnidirectional antenna?
   4. What is the structure of ionosphere?

   --- Content provided by‌ FirstRanker.com ---

   5. Define antenna efficiency.
   6. What is the principle of pattern multiplication?
   7. What is dipole antenna?
   8. Write the expression for current distribution of half wave dipole.
   9. Define skip distance.

   --- Content provided by​ FirstRanker.com ---

   10. Define virtual height.

SECTION-B

2. What is an antenna array? Explain in detail the behaviour of broadside antenna array.
3. Discuss the principle, construction and working of Horn antenna.

--- Content provided by FirstRanker.com ---

4. What is polarization? Discuss the condition of different type of polarization.
5. Discuss the reflection and refraction of the wave by ionosphere.
6. Discuss the rectangular and circular aperture antenna.

SECTION-C

7. Explain the principle of communication by troposcatter.

--- Content provided by⁠ FirstRanker.com ---

8. Derive the relation between MUF and skip distance.
9. Derive the expression for the radiation resistance of half wave dipole.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.