GATE EE format:mcq PYQs & Answers — Page 8

Questions 71–80 of 437. Imported answers require independent review unless marked reviewed.

Topic practice 437 questionsPage 8 of 44

During a power failure, a domestic household uninterruptible power supply (UPS) supplies AC power to a limited number of lights and fans in various rooms. As per a Newton-Raphson load-flow formulation, the UPS would be represented as a

Your answerChoose one option.

Slack bus

PV bus

PQ bus

PQV bus

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Which one of the following figures represents the radial electric field distribution

caused by a spherical cloud of electrons with a volume charge density,

for

(both

are positive and

is the radial distance) and

for

Diagram for Electrical Engineering question 25

Your answerChoose one option.

Fig. (i)

Fig. (ii)

Fig. (iii)

Fig. (iv)

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The operating region of the developed torque (

) and speed (

) of an induction motor drive is given by the shaded region OQRE in the figure. The load torque (

) characteristic is also shown. The motor drive moves from the initial operating point O to the final operating point S. Which one of the following trajectories will take the shortest time?

Diagram for Electrical Engineering question 26

Your answerChoose one option.

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The input voltage

and current

of a converter are given by,

where,

. The input power factor of the converter is closest to

Your answerChoose one option.

0.845

0.867

0.887

1.0

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Let

and

be continuous random variables with probability density functions

and

, respectively. Further, let

and

Which one of the following options is correct?

Your answerChoose one option.

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A Boolean function is given as

The simplified form of this function is represented by

Your answerChoose one option.

Diagram for Electrical Engineering question 37

Diagram for Electrical Engineering question 37 (figure 2)

Diagram for Electrical Engineering question 37 (figure 3)

Diagram for Electrical Engineering question 37 (figure 4)

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In the circuit,

is an ideal current source. The transistors

and

are assumed to be biased in saturation, wherein

is the input signal and

is fixed DC voltage. Both transistors have a small signal resistance of

and trans-conductance of

. The small signal output impedance of this circuit is

Diagram for Electrical Engineering question 38

Your answerChoose one option.

infinity

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In the circuit, shown below, if the values of R and C are very large, the form of the output voltage for a very high frequency square wave input, is best represented by

Your answerChoose one option.

Diagram for Electrical Engineering question 39

Diagram for Electrical Engineering question 39 (figure 2)

Diagram for Electrical Engineering question 39 (figure 3)

Diagram for Electrical Engineering question 39 (figure 4)

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Let continuous-time signals

and

Consider the convolution

. Then

Your answerChoose one option.

1.5

2.5

3.5

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Let

. Then the closed-loop system shown in the figure below, is

Diagram for Electrical Engineering question 41

Your answerChoose one option.

stable for all

unstable for all

stable for all

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GATE EE format:mcq PYQs

Question 24

Question 25

Question 26

Question 27

Question 36

Question 37

Question 38

Question 39

Question 40

Question 41