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GATE 2020 || Revision Test 4 (App update required to attempt this test)

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Question 1

A sinusoidal ac source in the figure has an rms value of

Considering all possible values of

the minimum value of

to avoid burnout of the Zener diode is_____________

Question 2

In a position control system the forward path transfer function is 100/s(1+s) and feedback path transfer function is 10. Determine the sensitivity of T transfer function with respect to the feed forward elements in the vicinity of ω=1 rad/sec

Question 3

The system shown in the given figure, is subjected to a unit ramp input

By closing the switch ‘S’

Question 4

The locations of the poles and zeros of

are depicted in the z-plane as shown below. For

the signal is _______ sided and the ROC is ________.

Question 5

The T-parameters for a network is computed as:

The network is:

Question 6

Compute V₁ in the circuit shown below.

Question 7

In the given network, if the initial rate of rise in voltage across the capacitor is 5 V/s, find its rate of rise( in V/s) at t = 1 s.

Question 8

In the current mirror circuit shown below the transistor parameters are V_BE=0.7 V, β=50 and the early voltage is infinite. Assume transistor are matched the output current I₀ is

Question 9

In the signal flow graph shown below the gain C/R is

Question 10

The output expression for the Karnaugh map shown below is

Question 11

Consider the K map given below

The function represented by this map can be simplified to the minimal form as:

Question 12

For the closed loop control system shown

The values of α& β, such that the system has settling time of 0.2 sec. and steady state error for unit ramp input is 6% are (approx.)

Question 13

An 8085 executes the following instructions

All address and constraints are in hex. Let PC be the contents of fogram counter and HL be the contents of the HL register pair just after executing PCHL. Which of the following is correct?