STUPIDSID
1 (a)
Test for following polynomial using continued fraction expansion only P(s)=s6+2s5+3s4+4s3+3s2+2s+1
5 M
1 (b)
Obtains domain equivalent model at inductor and capacitor with non-zero initial conditions.
5 M
1 (c)
The paranelex of a transmission line are G=2.25 m Ω /km, R=65Ω/km, L=1.6mH/km, C=1 μF/km, find characteristics impedance and the propagation constant of the line at a frequency of 1 Khz.
5 M
1 (d)
The pole-zero diagram of driving point impedance function is shown At d.c. input impedance is resistive and equal to 2 Ω. Determine value of R.L and C.
5 M
2 (a)
Determine voltage Vx by Source shifting and Source transformation.
8 M
2 (b)
Find i1(t), i2(t) and i3(t) at t=0
8 M
2 (c)
Compare Foster form I and Foster Form II of an LC N/W \[ \z(s) = \dfrac {6s(s^2+4)}{(s^2+1)(s^2+64)} \]
4 M
3 (a)
Design a short circuit shunt stub match for ZL=150-200j(Ω) for a line of z0=100Ω and frequency at f=20 MHz use Smith chart.
8 M
3 (b)
Obtain Power associated with dependent voltage source by using Nodal analysis.
8 M
3 (c)
Explain various types of filter's
4 M
4 (a)
Obtain hybrid parameter of the inter connected network.
10 M
4 (b)
Obtain v(t) for t?0 Use Laplace Transform method.
10 M
5 (a)
Check for p.r.f. \[ a) \ F(s) = \dfrac {2s^2 + 2s+1}{s^3 + 2s^2 - s+2} \\ b) \ F(s) = \dfrac {s^2 +2s+1}{s^3 + 2s^2 + 2s +3} \]
8 M
5 (b)
Find current flowing in both coils. If applied input voltage is v(t)=230 √2 sin [5000 t-30°]
8 M
5 (c)
Obtain pole-zero plot for \[ \dfrac {I}{I_1} \]
4 M
6 (a)
For the Network shown below determine RL for maximum power transfer and also determine PL.
8 M
6 (b)
Find \[ i_1 (i), \ i_2(t) \dfrac {di_1 (t)}{dt}\ and \ \dfrac {di_1 (t)}{dt} \ and \ \dfrac {di_2 (t)}{dt} at t=0^+ \] if switch k is opened at t=0.
8 M
6 (c)
Compare Cauer form I and Causer form II for RC N/W. \[ z(s) = \dfrac {4(s+1)(s+3)}{s(s+2)} \]
4 M
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