circuit analysis ii (rtu iv semester)
TRANSCRIPT
B.Tech. IV Semester (Main) Examination, June/July - 2015
Electrical En gineering
4F,EZ A Circ uit An alysis-Il
(\Ifr.r-{r+
14r+
Time : 3 Hours
Instructions to Candidates:
Maximum Marks : 80
Min. Passing Marks : 26
Attempt any ftve questions, selecting one question from each unit. All questions
carry equal marks. (Schematic diagrams must be shown wherever necessary.
Any data you feel missing suitably be assumed and stated clearly. Unrts ofquantities used/calculated must be stated clearly.
Unit - IL. Explain the physical interpretation of complex frequency
2. Analysis the circuit on loop current basis & hence find I,,I, & I,
$* lt-,
I 1{liL',J
OR
For the given network determine the transform impedance
{rq *EH
+.IU
I
+
(6)
(10)
(8)1.
J#.q- f r.n *,\rvwsM
4E 4172 lzors (1) [Contd....
1
1.
obtain the transform admittance of the inductor by using time domainreiationship ofvoltage & current
Unit - IIV-(s\
Determine the fi; of network shown below
i-'ri$d
(8)
+Vo
(8)
(16)
(8)
2. Find the time domain response for the network function ftrf #ffi (S)
ORShow the effects of pole position on stability
Check the stability of p(s):sa+2s3+4s2+12s+10
Unit - III
1. obtain foster I & foster II form for z(s) - - -s(s'?
+l)(S'z+ IXS: +9)
OR
(8)
(8)
(8)
(8)
1.
Write down the properties of RC impedance function
Check whether the given function is positive real function or not
Z(s'1= s] + 5sr + 9s + 3
s'+4s'+7s+9Unit - IV
Find the transmission parameters for the given circuit
,h*i
su1,,$-'fI lr
Ua-I\*/*
4E 4172
vr
a1
(2)
-\r. ,,Y#
2.
1.
Derive the condition of reciprocity and symmetry in Zparameters (8)
ORExplain image impedance calculate the value of image impedance ofthe following network
-r* i
;**r-:
/ r!l\[o,
l,* ,
I
V1
+ " l#*'
'{,
C) *1*{-rxv*t
!1-q*i{-
2. Find h - parameters of the network shown in figure
Unit - VDerive the value of characteristic impedance for a T type constant k low pass
filter
Write a short note on active filters
OR
Design a zsection of m-derived Hpf having design impedance of 600ocut off frequency 4kllzand infinite attenuationat3.6Kllz
What do you understand by lattice filter. How a ladder filter network can
be converted into lattice filter. find the cut off frequency for same
(8)
1.
2.
1.
)
(E)
(8)
(E)
(8)
4E 4172 (3)