GATE EE format:mcq PYQs & Answers — Page 42

Questions 411–420 of 437. Imported answers require independent review unless marked reviewed.

Topic practice 437 questionsPage 42 of 44

For the circuit shown below, assume that the OPAMP is ideal.

Diagram for Electrical Engineering question 38

Which one of the following is TRUE?

Your answerChoose one option.

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A load is supplied by a 230 V, 50 Hz source. The active power P and the reactive power Q consumed by the load are such that 1 kW ≤ P ≤ 2 kW and 1 kVAR ≤ Q ≤ 2 kVAR. A capacitor connected across the load for power factor correction generates 1 kVAR reactive power. The worst case power factor after power factor correction is

Your answerChoose one option.

0.447 lag

0.707 lag

0.894 lag

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The figure below shows a half-bridge voltage source inverter supplying an RL-load with

and

. The desired fundamental frequency of the load voltage is 50 Hz. The switch control signals of the converter are generated using sinusoidal pulse width modulation with modulation index,

. At 50 Hz, the RL-load draws an active power of 1.44 kW. The value of DC source voltage

in volts is

Diagram for Electrical Engineering question 39

Your answerChoose one option.

500

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The bus admittance matrix for a power system network is

pu. There is a transmission line, connected between buses 1 and 3, which is represented by the circuit shown in figure.

Diagram for Electrical Engineering question 40

Reactance is 0.05 pu; susceptance is 0.05 pu at each end. If this transmission line is removed from service, what is the modified bus admittance matrix?

Your answerChoose one option.

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A person decides to toss a fair coin repeatedly until he gets a head. He will make at most 3 tosses. Let the random variable

denote the number of heads. The value of

, where

denotes the variance, equals

Your answerChoose one option.

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The switch in the figure below was closed for a long time. It is opened at

. The current in the inductor of 2 H for

, is

Diagram for Electrical Engineering question 41

Your answerChoose one option.

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For the network given in figure below, the Thevenin’s voltage

Your answerChoose one option.

-1.5 V

-0.5 V

0.5 V

1.5 V

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After Rajendra Chola returned from his voyage to Indonesia, he ______ to visit the temple in Thanjavur.

Your answerChoose one option.

was wishing

is wishing

wished

had wished

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Choose the option with words that are not synonyms.

Your answerChoose one option.

aversion, dislike

luminous, radiant

plunder, loot

yielding, resistant

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Research in the workplace reveals that people work for many reasons ____________________.

Your answerChoose one option.

money beside

beside money

money besides

besides money

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GATE EE format:mcq PYQs

Question 38

Question 39

Question 39

Question 40

Question 40

Question 41

Question 41

Question 56

Question 56

Question 57