PTU B.Tech EEE 3rd Semester May 2019 57092 CIRCUIT THEORY Question Papers

Roll No.

Total No. of Pages : 02

Total No. of Questions : 09

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

B.Tech.(Electrical Engineering & Industrial Control) (2012 Onwards)

B.Tech.(?/Electrical & Electronics/Electronics & Electrical) (2011 Onwards)

(Sem.-3)

CIRCUIT THEORY

Subject Code : BTEE-301

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

M.Code : 57092

Time: 3 Hrs.

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

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

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.

SECTION-A

1. Answer briefly :
   1. Differentiate between independent and dependent sources.
   2. What do you mean by transient response? Explain.

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

   3. State reciprocity theorem.
   4. Find the Laplace transform of a unit ramp function.
   5. What is the signiface of transfer function? Explain.
   6. Discuss the significance of circuit theory in engineering.
   7. Discuss the need of frequency domain analysis.

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

   8. What do you mean by network functions? Explain.
   9. Why network synthesis is required? Explain.
   10. List the advantages of m-derived filters.

SECTION-B

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

2. Determine the characteristic impedance and propagation constant of the symmetrical T-network.
3. Find the voltage across X and Y using Thevenin's theorem.
   FIG.1
4. Discuss the importance of Laplace transform. Find the Laplace transform of cos ?t u(t-t₀).
5. Discuss the significance of pole and zeros in a network. Also list the various restrictions on the pole and zero location in transfer functions.

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

6. What is the need of a filter? Discuss in detail high pass, low pass, band pass and band reject filters.

SECTION-C

7. Find the current in 10ohm resistor using superposition theorem.
   FIG.2
8. Find V₂/V₁ and V₂/I₁ of the figure shown below :
   

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

   FIG.3
9. Explain the following :
   1. Design of constant K filter
   2. Convolution theorem

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.

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

Visit FirstRanker.com for more question papers.