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GATE Prev Year : Networks Test-4

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Question 1

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 2

A two-port network has scattering parameters given by

. If the port-2 of the two-port is short circuited, the s₁₁ parameter for the resultant one-port network is

Question 3

The output y(t) of a linear time invariant system is related to its input x(t) by the following equation: y(t) = 0.5 × (t – t_d + T) + x(t – t_d) + 0.5x(t – t_d – T). The filter transfer function H(ω) of such a system is given by

Question 4

In the circuit shown, the Norton equivalent resistance $Description: Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-2_files\image171.png$ across terminals a-b is ______.
$Description: Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-2_files\image172.jpg$

Question 5

Two ac sources feed a common variable resistive load as shown in Figure. Under the maximum power transfer condition, the power absorbed by the load resistance R_L is

Question 6

The position control of a DC servo-motor is given in the figure. The values of the parameters are K_T = 1 N-m/A, R_a = 1W, L_a = 0.1 H, J = 5 kg-m², B = 1 N-m/(rad/sec) and K_b = 1V/(rad/sec). The steady-state position response (in radians) due to unit impulse disturbance torque T_d is _________
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-3_files\image200.jpg$

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ESE & GATE EC Network Theory

Feb 14ESE & GATE EC