Recent questions tagged network-solution-methods

For a lossless passive two-port network, $\left|S_{11}\right|$ and $\left|S_{21}\right|$ intersect at $-3$ dB .For a lossy passive two-port network, $\left|S_{11}\right|$...

Consider the two-port network as shown in the Figure.Which of the following options provides the correct set of values of $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\text{...

Let $i_{C}, i_{L}$, and $i_{R}$ be the currents flowing through the capacitor, inductor, and resistor, respectively, in the circuit given below. The AC admittances are gi...

The $Z$-parameter matrix of a two port network relates the port voltages and port currents as follows:$$ \left[\begin{array}{l} V_{1} \\ V_{2} \end{array}\right]=Z\left[\...

For the two port network shown below, the $[\mathrm{Y}] – $parameters is given as$$[Y]=\frac{1}{100}\left[\begin{array}{cc}2 & -1 \\ -1 & 4 / 3\end{array}\right] S$$The v...

The $\text{h}$-parameters of a two port network are shown below. The condition for the maximum small signal voltage gain $\frac{\mathrm{V}_{\text {out }}}{\mathrm{V}_{\ma...

The $S$-parameters of a two-port network is given as$$[S]=\left[\begin{array}{ll}S_{11} & S_{12} \\S_{21} & S_{22}\end{array}\right]$$with reference to $Z_0$. Two lossles...

For the given circuit, write the state equations using $v_{c}$ and $i_{\mathrm{L}}$ as state variables.

Identify which of the following is $\text{NOT}$ a true of the graph shown in the given figure is$begh$$defg$$adfg$$aegh$

A Delta-connected network with its Wye-equivalent is shown in the given figure is. The resistances $R_{1}, R_{2}$ and $R_{3}$ (in ohms) are respectively$1.5,3$ and $9$$3,...

For the network shown in the given figure is evaluate the current $I$ flowing through the $2 \; \Omega$ resistor using superposition theorem.

If each branch of a Delta circuit has impedance $\sqrt{3} Z$, then each branch of the equivalent Wye circuit has impedance.$\frac{Z}{\sqrt{3}}$$3 Z$$3 \sqrt{3} \mathrm{Z}...

The admittance parameter $\mathrm{Y}_{12}$ in the $2$-port network in the figure,$-0.2 \; \mathrm{mho}$$0.1 \; \mathrm{mho}$$-0.05 \; \mathrm{mho}$$0.05 \; \mathrm{mho}$

When the angular frequency $\omega$ in the figure, varied from $0$ to $\infty$, the locus of the current phasor $\mathrm{I}_{2}$ is given by

The $Z$ parameters $Z_{11}$ and $Z_{21}$ for the $2$-port network in the figure,$Z_{11}=-\frac{6}{11} \; \Omega ; Z_{21}=\propto \frac{16}{11} \; \Omega$;$Z_{11}=\frac{6}...

This section consists of TWENTY questions of FIVE marks each. ANY FIFTEEN out of these questions have to be answered in the Answer Book provided.For the circuit shown in ...

The admittance parameters of a $2$-port network shown in the figure, given by $Y_{11}=2 \; \mathrm{mho}$, $Y_{12}=-0.5 \mathrm{mho}, \mathrm{Y}_{21}=4.8 \; \mathrm{mho}, ...

For the network shown in the figure is, $R=1 \mathrm{~K} \Omega$, $L_{1}=2 \; \mathrm{H}, \mathrm{L}_{2}=5 \; \mathrm{H}, \mathrm{L}_{3}=1 \; \mathrm{H}, \mathrm{L}_{4}=4...

A network has $7$ nodes and $5$ independent loops. The number of branches in the network is$13$$12$$11$$10$

The nodal method of circuit analysis is based on$\text{KVL}$ and Ohm's law$\mathrm{KCL}$ and Ohm's law$\text{KCL}$ and $\text{KVL}$$\text{KCL, KVL}$ and Ohm's law

Superposition theorem is $\text{NOT}$ applicable to networks containingnonlinear elementsdependent voltage sourcesdependent current sourcestransformers

The short-circuit admittance matrix o a two-port network is$$ \left[\begin{array}{cc} 0 & -1 / 2 \\ 1 / 2 & 0 \end{array}\right] $$The two-port network isnon-reciprocal a...

The minimum number of equations required to analyze the circuit shown in the figure is$3$$4$$6$$7$

The current flowing through the resistance $\text{R}$ in the circuit in the figure has the form $\text{P} \cos 4 t$, where $\text{P}$ is$(0.18+j 0.72)$$(0.46+j 1.90)$$-(0...

The circuit for $\text{Q. 33-34}$ are given in the figure. For both are the questions, assume that the switch $S$ is in position $1$ for a long time and thrown to positio...

The driving-point impedance $Z(s)$ of a network has the pole-zero locations as shown in the figure. If $Z(0)=3$, then $Z(s)$ is$\frac{3(s+3)}{s^{2}+2 s+3}$$\frac{2(s+3)}{...

The impedance parameters $Z_{11}$ and $Z_{12}$ of the two-port network in the figure are$Z_{11}=2.75 \; \Omega$ and $Z_{12}=0.25 \; \Omega$$Z_{11}=3 \; \Omega$ and $Z_{12...

Consider the network graph shown in the figure. Which one of the following is NOT a 'tree' of this graph?

The equivalent inductance measured between the terminals $1$ and $2$ for the circuit shown in the figure is$\mathrm{L}_{1}+\mathrm{L}_{2}+\mathrm{M}$$\mathrm{L}_{1}+\math...