Recent questions in Network Solution Methods

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?

For the lattice circuit shown in the figure, $Z_{a}=j 2 \Omega$ and $Z_{b}=2 \Omega$. The values of the open circuit impedance parameters $Z=\left[\begin{array}{ll}z_{11}...

Consider an impedance $\mathrm{Z = R + j X }$ marked with point $\mathrm{P}$ in an impedance Smith chart as shown in the figure. The movement from point $\mathrm{P}$ alon...

The $\text{ABCD}$ parameters of an ideal $n: 1$ transformer shown in the figure are $\left[\begin{array}{ll}n & 0 \\ 0 & \mathrm{X}\end{array}\right]$. The value of $X$ w...

The first and the last critical frequency of an $\text{RC}$-driving point impedance function must respectively bea zero and a polea zero and a zeroa pole and a polea pole...

The number of independent loops for a network with $n$ nodes and $b$ branches is$n-1$$b-n$$b-n+1$independent of the number of nodes

A two-port network is represented by $\text{ABCD}$ parameters given by$$ \left[\begin{array}{c} \mathrm{V}_1 \\ \mathrm{I}_1 \end{array}\right]=\left[\begin{array}{ll} \m...

In the two port network shown in the figure below, $z_{12}$ and $z_{21}$ are, respectively$r_e$ and $\beta r_o$$0$ and $-\beta r_o$$0,$ and $\beta r_o$$r_e$ and $-\beta r...

The first and the last critical frequencies (singularities) of a driving point impedance function of a passive network having two kinds of elements, are a pole and a zero...

The condition that a $z$-port network is reciprocal, can be expressed in terms of its $\mathrm{ABCD}$ parameters as _________.

In the following graph, the number of trees $\text{(P)}$ and the number of cut-sets $\text{(Q)}$ are$\mathrm{P}=2, \mathrm{Q}=2$$\mathrm{P}=2, \mathrm{Q}=6$$\mathrm{P}=4,...

A two-port network shown below is excited by external $dc$ sources. The voltages and the currents are measured with voltmeters $\mathrm{V}_{1}, \mathrm{~V}_{2}$ and ammet...

A two-port network shown below is excited by external $dc$ sources. The voltages and the currents are measured with voltmeters $\mathrm{V}_{1}, \mathrm{~V}_{2}$ and ammet...

A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then the voltage across each resistor ishalveddoubledincreased ...

The two electrical sub network $N^{1}$ and $N^{2}$ are connected through three resistors as shown in the figure. The voltage across $5 \; \mathrm{ohm}$ resistor and $1 \;...

Relative to a given fixed tree of a network,Link currents form an independent setBranch voltage form an independent setLink currents form an independent setBranch voltage...

For a $2$-port network to be reciprocal,$z_{11} = z_{22}$$y_{21} = y_{12}$$h_{21} = – h_{12}$$\mathrm{AD}-\mathrm{BC}=0$

Of the four networks, $\mathrm{N}_{1}, \mathrm{~N}_{2}, \mathrm{~N}_{3}$ and $\mathrm{N}_{4}$ of the given figure, the networks having identical driving point functions a...