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GATE 2021: Networks Rapid Mini Mock (App update required to attempt this test)

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Question 1

The switch has been closed for a long time. It opens at t = 0, find i(t) for t > 0.

Question 2

A network N with impedance matrix

is followed by an ideal transformer with ratio 5 : 1 as shown in figure,

the overall Z parameter Z22 is ______ (Ω).

Question 3

The graph of an electrical network has N nodes and B branches. The number of independent KVL equations

Question 4

The maximum power that can be transferred to the load resistor RL from the voltage source in figure is


Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2005_files\image032.jpg       

Question 5

In a series RLC circuit R = 2k Ω, L = 1 H, and . The resonant frequency is

Question 6

The time constant of the circuit shown below is equal to

Question 7

In the circuit shown, if the voltage across capacitor is then the voltage VL across inductor is

Question 8

The resonant frequency of the series circuit shown is?

Question 9

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 10

The magnitude of current (in mA) through the resistor in the figure shown is_______.
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Question 11

The transfer function of an RLC circuit is given by:

The quality factor (Q-factor) of the circuit is:

Question 12

The h-parameters of a two-port network are obtained as:

Determine the two-port network.
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Nov 24ESE & GATE EC