Test 4 - Network Graphs | Electronics and Communication (ECE)
Description: A test for Network Graphs of Electronics and Communication (ECE) | |
Number of Questions: 22 | |
Created by: Yashbeer Singh | |
Tags: Network Graphs GATE(ECE) |
In the following graph, the number of trees (P) and the number of cut-set (Q) are
The equivalent inductance measured between the terminals 1 and 2 for the circuit shown in the figure is
How much current will flow in a 100 Hz series RLC circuit, if VS = 20 V, RT = 66 ohms and XT = 47 ohms?
In the circuit shown below, the network N is described by the following Y matrix:
Y = $\left[ \begin{array} \ 0.1S & -0.01S \\ 0.01S & 0.1S \end{array} \right]$. The voltage gain $\dfrac{V_2}{V_1}$is
The Thevenin equivalent impedance Zth between the nodes P and Q in the following circuit is
A square pulse of 3 volts amplitude is applied to C - R circuit shown in figure. The capacitor is initially uncharged. The output voltage v0 at time t = 2 sec is
Two series resonant filters are as shown in the figure. Let the 3-dB bandwidth of Filter 1 be B1 and that of Filter 2 be B2. The value of $\dfrac{B_1}{B_2}$ is
For the circuit shown in the figure, the time constant RC = 1 ms. The input voltage is v1 (t) = $\sqrt 2$sin 103t. The output voltage v0 (t) is equal to
For the lattice shown in the figure, Za = j2$\Omega$ and Zb = 2$\Omega$. Calculate the values of the open circuit impedance parameter [z] = $\left[
\begin{array}
\ Z_{11} & Z_{12} \\
Z_{21} & Z_{22}
\end{array}
\right]$.
The impedance parameters Z11 and Z12 of the two-port network in figure are
In the circuit given below, what value of RL maximizes the power delivered to RL?
In the figure shown below, assume that all the capacitors are initially uncharged. If vi (t) = 10u (t ) Volts, v0 (t) is given by
The transfer function H(s) = $\dfrac{V_0 (s)}{V_i (s)}$ of an RLC circuit is given by H(s) = $\dfrac{10^6}{s^2 + 20s + 10^6}$ The Quality factor (Q-factor) of this circuit is
A two port network is represented by ABCD parameters given by $\left[ \begin{array} \ V_1 \\ I_1 \end{array} \right] $$\left[ \begin{array} \ A & B\\ C & D \end{array} \right] $$\left[ \begin{array} \ V_2 \\ -I_2 \end{array} \right] $ If port-2 is terminated by RL, the input impedance seen at port-1 is given by
The maximum power that can be transferred to the load resistor RL of 100$\Omega$ from the voltage source of 5 V is __________
If R1 = R2 = R4 and R3 = 1. 1R in the bridge circuit shown in figure, then the reading in the ideal voltmeter connected between a and b is
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 respectively. The above property will be satisfied by
The impedance looking into nodes 1 and 2 in the given circuit is
For the circuit shown in figure, Thevenin's voltage and Thevenin's equivalent resistance at terminals a - b is
Twelve 1$\Omega$ resistances are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is
The circuit shown in the figure is used to charge the capacitor C alternately from two current sources as indicated. The switches S1 and S2 are mechanically coupled and connected as follows: For 2nT $\le$ t $\le$ (2n + 1) T, (n = 0, 1, 2, ...) S1 to P1 and S2 to P2 For (2n + 1) T $\le$ t $\le$ (2n + 2) T, (n = 0, 1, 2, ...) S1 to Q1 and S2 to Q2
Assume that the capacitor has zero initial charge. Given that u (t) is a unit step function, the voltage vc (t) across the capacitor is given by
An input voltage v(t) = 10$\sqrt 2$ cos(t+100) + 10$\sqrt 3$ cos (2t+10o)V is applied to a series combination of resistance R = 1 $\Omega$ and an inductance L = 1 H. The resulting steady state current i(t) in ampere is