STUPIDSID
1(a)
For the network shown if fig.q1(a).find the potential difference M and N using source transformation.
4 M
1(b)
Using star/delta transformation, determine the resistance between M and N of network shown in fig
4 M
1(c)
For the network shown in fig.Q1(d),find power supplied by 10V source using mesh current analysis.
6 M
1(d)
For the network shown in fig.Q1(d),find the magnitude of source voltage such that current in 4 ohm is zero. Use node voltage analysis,
6 M
2(a)
Explain element - node incidence matrix with example. List the properties of the element node incidence matrix,
6 M
2(b)
For the network shown in fig.. determine branch voltages.On voltage basis.
8 M
2(c)
Write KVL equation for the network shown. Draw the dual of this a write KCL equation and show that these two networks are dual.(fig.)
6 M
3(a)
Use superposition theorem to find\[I_{x}\]of the network shown in Fig.
8 M
3(b)
For the circuit shown in Fig.Q3(b),find current 'l' using Millimon's theorem.
6 M
3(c)
State and prove reciprocity theorem
6 M
4(a)
State and explain maximum power transfer when load impedance consisting of variable resistance and variable reactant.
8 M
4(b)
For the network shown in Fig.Q4(b).Draw the Thevenin's equivalent circuit.
5 M
4(c)
Using Norton's theorem,find the current 'l' of the network shown in Fig,
7 M
5(a)
What is resonance? Derive an expression for cut-off frequencies.
8 M
5(b)
calculate half power frequencies of series resonant circuit where the resonance frequency is 150 Khz and band width is 75 Khz
4 M
5(c)
For the circuit shown in fig.Q5(c),find two values of capacitor for the resonance.Derive the formula used take f - 50 Hz.
8 M
6(a)
What is initial and final condition? Explain the behaviour of R, l and C for the steady state condition. Determine voltage drop across swith and its first and second derivative at t= 0.
8 M
6(b)
For the circuit shown in Fig. Q6(b), switch k is opened at t : 0, after reaching the steady state condition. Determine voltage drop across switch and its first and second derivative at t=0.
8 M
6(c)
In the circuit shown,in fig.Q6(c),switch k is closed at t-0. Find \[V_{a}(0-)\ and \ V_{a}(0+).\]
6 M
7(a)
For the circuit shown in Fig.Q7(a),switch 'k' is closed t-0. The initial current through inductance is 1A and initial voltage the capacitor is IV. Obtain expression for current i(-) for \[t> 0.\]
8 M
7(b)
For the circuit shown in Fig.Q7(b) switch is closed at t = 0. The initial current through an inductance is 2A.obtain expression for \[V_{0}(+)\ for 1\geq 0.\]
6 M
7(c)
synthesis the waveform shown in Fig. Q7(c) and find the Laplace transform of the periodic waveform.
6 M
8(a)
Obtain transmission parameters in terms of hybrid parameters.
6 M
8(b)
For the network shown in Fig Q8(b). Find the z- parameters.
8 M
8(c)
Following short circuit currents and voltages are obtained experimentally for a two port network :
i) With output short circuited :[I_{1}=5 mA; I_{2}=0.3 mA and V_{1}=25V
ii) with input short circuited :[I_{1}=-5 mA; I_{2}=0.3 +10mA and V_{2}=30V].
Determine Y - parameters.
i) With output short circuited :[I_{1}=5 mA; I_{2}=0.3 mA and V_{1}=25V
ii) with input short circuited :[I_{1}=-5 mA; I_{2}=0.3 +10mA and V_{2}=30V].
Determine Y - parameters.
6 M
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