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ISRO EC Quiz 2 : Networks

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Question 1

Which two-port parameters are best suited for analyzing a series-shunt feedback circuit?

Question 2

The Q =1, of RLC tuned circuit with source voltage V in the figure is 100 at resonant frequency of 100 KHz. What is the voltage V_L across inductor at resonance?

$Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image092.jpg$

Question 3

The circuit is with an ideal operational amplifier with

V supply. The output voltage is :

Question 4

A step voltage of 1 V applies to the circuit at t = 0. The current through the resistor R just after t = 0 and at steady state are :

Question 5

In the circuit shown below, switch

and

are in open and close position respectively for long time. At t =

, switch

is closed and switch

is opened. What would be the current through

immediately after the transition of switches?

Question 6

In the circuit shown below, if the source voltage

then the Thevenin’s equivalent voltage in Volts as seen by the load resistance R_L is

Question 7

Two magnetically uncoupled inductive coils have Q factors q₁ and q₂ at the chosen operating frequency. Their respective resistances are R₁ and R₂. When connected in series, their effective Q factor at the same operating frequency is

Question 8

For the R-L circuit shown in Figure, the input voltage v _i(t) = u(t). The current i(t) is
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2004_files\image018.png$

Question 9

Consider the network graph shown in figure. Which one of the following is NOT a ‘tree’ of this graph?
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2004_files\image001.png$

Question 10

In the circuit shown the average value of the voltage V_ab (in Volts) in steady state condition is ______
$Description: Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-2_files\image104.png$

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Tags :

ESE & GATE EC Network Theory

Nov 24ESE & GATE EC