Download PTU B-Tech EEE 2020 Dec 1st Sem 70971 Circuit Theory Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (EEE)- Electrical And Electronics Engineering 2020 December 1st Sem 70971 Circuit Theory Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (EE) PT (Sem.?1)
CIRCUIT THEORY
Subject Code : BTEE-301
M.Code : 70971
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION - B & C . have FOUR ques tions each.
3 .
Attempt any FIVE questions from SECT ION B & C carrying EIGHT marks eac h.
4 .
Select atleast T WO que stions from SECT ION - B & C.
SECTION-A
Write Briefly / Fill in the blanks :
1.
Differentiate dependent and independent sources.
2.
State Superposition Theorem.
3.
Distinguish between mesh and loop of an electric circuit.
4.
Define quality factor of a series resonant circuit.
5.
If a unit step current is passed through a capacitor, what will be the voltage across the
capacitor?
6.
Explain Convolution Theorem.
7.
Define a transfer function.
8.
Discuss the application of impedance and admittance parameters.
9.
The cut-off frequency of constant k-low pass filter is________.
10. The network function N (S) becomes ________ when s is equal to anyone of the zeros.
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SECTION-B
11. Determine RL so as to have maximum power transfer to RL in the given circuit.
I1
20
40
RL
+
+
?
?
10 I1
50 V
Fig. 1
12. Explain the initial value theorem.
13. Discuss the impedance parameters of a two port network.
14. Discuss the classification of filters.
SECTION-C
15. When is a network either T or , is said to be of the constant-k type?
16. Discuss the response of the given RLC circuit excited by DC supply.
t = 0
R
L
C
+
E ?
i(t)
Fig. 2
17. Using Foster Form II synthesize the following function :
2
2
(s 5) (s 13)
Z (s)
2
s(s 9)
18. Write short notes :
a) m-derived filters
b) Cauer Forms.
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
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