STUPIDSID
1 (a) (i)
Determine current through 10Ω resistance :
3 M
1 (a) (ii)
Determine current through 10Ω resistance :
2 M
1 (b)
Find Laplace transform of signal :
5 M
1 (c)
Find VC1 (f) when switch S is closed at t=0, with initial conditions :
5 M
1 (d)
Determine the Z parameters of the network
5 M
1 (e)
"Find the domain response using graphical & partial fraction method & prove that results are matching
F(S)=3s(s+6)(s+2) "
F(S)=3s(s+6)(s+2) "
5 M
2 (a) (i)
State and explain significance of initial & find value theorems. (Network Analysis)
5 M
2 (a) (ii)
Derive the equation for Laplace transform of following functions :
(i) Unit Ramp function
Unit impulse function
(i) Unit Ramp function
Unit impulse function
5 M
2 (b)
Determine RL for maximum power transfer & maximum power transferred PL
:
:
10 M
3 (a) (i)
In case of series R-L circuit excited by DC supply (V) derive equation for transient current IL with initial conditions.
5 M
3 (a) (ii)
Define transmission line parameters in case of two port network. Also derive the condition of symmetry.
5 M
3 (b)
"The driving point impedance of a one port network function is as follows. Obtain Foster 1 and Foster 2 form of equivalent circuit.
Z(s)=6(s2+4)s(s2+1)(s2+64)"
Z(s)=6(s2+4)s(s2+1)(s2+64)"
10 M
4 (a)
Explain the concept of poles & zeros. Using suitable example plot pole-zero plot & hence explain how to use such plot to get time domain response for network function.
10 M
4 (b)
"Realise given YLC(S) into cauer 2 form
Y(s)=s4+6s2+42s3+4s "
Y(s)=s4+6s2+42s3+4s "
10 M
5 (a) (i)
"Check the following function for positive real function (i)Z(s)=6(s2+4)s(s2+1)(s2+64)
(ii)Z(s)=s(s2+3)(s2+1) "
(ii)Z(s)=s(s2+3)(s2+1) "
5 M
5 (a) (ii)
"Check the following polynomials for Hurwitz
(1)P(s)=s5+4s4+3s3+s2+4s+1(2)P(s)=s4+4s2+8"
(1)P(s)=s5+4s4+3s3+s2+4s+1(2)P(s)=s4+4s2+8"
5 M
5 (b) (i)
Obtain ABCD parameters for following two port networks. : (1)
5 M
5 (b) (ii)
5 M
6 (a) (i)
Derive network equilibrium equation on loop current basis (KVL).
5 M
6 (a) (ii)
For the network, get incidence matrix & tieset matrix :
5 M
6 (b)
"For the network determine i1,i2,di1dt,di2dt,d2i1dt2,d2i2dt2
for t= 0+. The switch is closed at t=0. :
"
for t= 0+. The switch is closed at t=0. :
"
10 M
7 (a) (i)
Determine current through 10Ω resistance for the network :
5 M
7 (a) (ii)
For the network, Switch S is closed at t=0 with initial conditions as shown. Determine VR (t)
5 M
7 (b)
Using Superposition theorem, determine current through 10 Ω resistance. :
10 M
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