GATE EE topic:electrical-machines PYQs & Answers — Page 16

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Questions 151–160 of 715. Imported answers require independent review unless marked reviewed.

Topic practice 715 questionsPage 16 of 72

Consider the standard second-order system of the form

with the poles

and

having negative real parts. The pole locations are also shown in the figure.

Diagram for Electrical Engineering question 21

Now consider two such second-order systems as defined below:

System 1:

rad/sec and

System 2:

rad/sec and

Which one of the following statements is correct?

Your answerChoose one option.

Settling time of System 1 is more than that of System 2.

Settling time of System 2 is more than that of System 1.

Settling times of both the systems are the same.

Settling time cannot be computed from the given information.

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Consider the cascaded system as shown in the figure. Neglecting the faster component of the transient response, which one of the following options is a first order pole-only approximation such that the steady-state values of the unit step responses of the original and the approximated systems are same?

Diagram for Electrical Engineering question 22

Your answerChoose one option.

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The table lists two instrument transformers and their features:

Instrument Transformers	Features
	P) Primary is connected in parallel to the grid
X) Current Transformer (CT)	Q) Open circuited secondary is not desirable
Y) Potential Transformer (PT)	R) Primary current is the line current
	S) Secondary burden affects the primary current

The correct matching of the two columns is

Your answerChoose one option.

X matches with P and Q; Y matches with R and S.

X matches with P and R; Y matches with Q and S.

X matches with Q and R; Y matches with P and S.

X matches with Q and S; Y matches with P and R.

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Simplified form of the Boolean function

Your answerChoose one option.

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In the circuit, the present value of

is 1. Neglecting the delay in the combinatorial circuit, the values of

and

, respectively, after the application of the clock will be

Diagram for Electrical Engineering question 25

Your answerChoose one option.

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To obtain the Boolean function

, the inputs

in the figure should be

Diagram for Electrical Engineering question 26

Your answerChoose one option.

1010

1110

0110

0001

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If the following switch devices have similar power ratings, which one of them is the fastest?

Your answerChoose one option.

SCR

GTO

IGBT

Power MOSFET

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A single-phase triac based AC voltage controller feeds a series RL load. The input AC supply is 230 V, 50 Hz. The values of R and L are 10

and 18.37 mH, respectively. The minimum triggering angle of the triac to obtain controllable output voltage is

Your answerChoose one option.

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Let

be a discrete random variable that is uniformly distributed over the set

. Which of the following random variables is/are uniformly distributed?

Your answerSelect all correct options. You can choose more than one.

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Which of the following complex functions is/are analytic on the complex plane?

Your answerSelect all correct options. You can choose more than one.

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GATE EE topic:electrical-machines PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30