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GATE Prev Year : Networks Test-9

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Question 1

In the given circuit, the values of V1 and V2 respectively are:
2019-09-23.png (1379×563)

Question 2

Le the signal f(t) = 0 outside the interval T1, T2 where T1 and T2 are finite. Furthermore, Description: Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-2_files\image010.png. The region of convergence (ROC) of the signal’s bilateral Laplace transform F(s) is
1. A parallel strip containing the jΩ axis
2. A parallel strip not containing the jΩ axis
3. The entire s-plane
4. A half plane containing the jΩ axis

Question 3

Consider the following statements S1 and S2
S1: At the resonant frequency the impedance of a series R-L-C circuit is zero.
S2: In a parallel G-L-C circuit, increasing the conductance G results in increase in its Q factor.
Which one of the following is correct?

Question 4

A two-port network shown below is excited by external dc sources. The voltages and the currents are measured with voltmeters V1, V2 and ammeter A1, A2 (all assumed to be ideal), as indicated. Under following switch conditions, the readings obtained are:
i) S1– Open, S2 – Closed A1 = 0 A, V1 = 4.5 V, V2 = 1.5 V, A2 = 1A
ii) S1– Closed, S2 – Open A1 = 4A, V1 = 6 V, V2 = 0 V, A2 = 0A
The z-parameter matrix for this network is

Question 5

A two-port network shown below is excited by external dc sources. The voltages and the currents are measured with voltmeters V1, V2 and ammeter A1, A2 (all assumed to be ideal), as indicated. Under following switch conditions, the readings obtained are:
i) S1– Open, S2 – Closed A1 = 0 A, V1 = 4.5 V, V2 = 1.5 V, A2 = 1A
ii) S1– Closed, S2 – Open A1 = 4A, V1 = 6 V, V2 = 0 V, A2 = 0A
The h-parameter matrix for this network is

Question 6

In the circuit shown, the initial voltages across the capacitors C1 and C2 are 1V and 3V, respectively. The switch is closed at time t = 0. The total energy dissipated (in Joules) in the resistor R until steady state is reached is ________

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Sep 24ESE & GATE EC