GATE EE year:2021 PYQs & Answers — Page 3

Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 3 of 7

For the closed-loop system shown, the transfer function

Diagram for Electrical Engineering question 11

Your answerChoose one option.

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Inductance is measured by

Your answerChoose one option.

Schering bridge

Maxwell bridge

Kelvin bridge

Wien bridge

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Suppose the circles

and

intersect each other orthogonally at the point

. Then

________.

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In the given circuit, the value of capacitor C that makes current I = 0 is ________ μF.

Diagram for Electrical Engineering question 14

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Two single-core power cables have total conductor resistances of 0.7 Ω and 0.5 Ω, respectively, and their insulation resistances (between core and sheath) are 600 MΩ and 900 MΩ, respectively. When the two cables are joined in series, the ratio of insulation resistance to conductor resistance is ________ × 10⁶.

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In the given circuit, for voltage

to be zero, the value of β should be ______. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 16

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A 1 μC point charge is held at the origin of a cartesian coordinate system. If a second point charge of 10 μC is moved from (0, 10, 0) to (5, 5, 5) and subsequently to (5, 0, 0), then the total work done is ____ mJ. (Round off to 2 decimal place). Take

in SI units. All coordinates are in meters.

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The power input to a 500 V, 50 Hz, 6-pole, 3-phase induction motor running at 975 RPM is 40 kW. The total stator losses are 1 kW. If the total friction and windage losses are 2.025 kW, then the efficiency is ________%.

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An alternator with internal voltage of

p.u. and synchronous reactance of 0.4 p.u is connected by a transmission line of reactance 0.1 p.u to a synchronous motor having synchronous reactance 0.35 p.u and internal voltage of

p.u. If the real power supplied by the alternator is 0.866 p.u, then

is ____ degrees. (Round off to 2 decimal places.) (Machines are of non-salient type. Neglect resistances.)

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The Bode magnitude plot for the transfer function

of the circuit is as shown. The value of R is ________ Ω. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 20

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GATE EE year:2021 PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20