GATE EE format:mcq PYQs & Answers — Page 39

Questions 381–390 of 437. Imported answers require independent review unless marked reviewed.

Topic practice 437 questionsPage 39 of 44

A three-phase voltage source inverter with ideal devices operating in 180° conduction mode is feeding a balanced star-connected resistive load. The DC voltage input is

. The peak of the fundamental component of the phase voltage is

Your answerChoose one option.

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For the circuit shown in the figure below, assume that diodes D₁, D₂ and D₃ are ideal.

Diagram for Electrical Engineering question 14

The DC components of voltages

and

, respectively are

Your answerChoose one option.

0 V and 1 V

−0.5 V and 0.5 V

1 V and 0.5 V

1 V and 1 V

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A 3-phase, 4-pole, 400 V, 50 Hz squirrel-cage induction motor is operating at a slip of 0.02. The speed of the rotor flux in mechanical rad/sec, sensed by a stationary observer, is closest to

Your answerChoose one option.

150

1470

157

154

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For the power semiconductor devices IGBT, MOSFET, Diode and Thyristor, which one of the following statements is TRUE?

Your answerChoose one option.

All the four are majority carrier devices.

All the four are minority carrier devices.

IGBT and MOSFET are majority carrier devices, whereas Diode and Thyristor are minority carrier devices.

MOSFET is majority carrier device, whereas IGBT, Diode, Thyristor are minority carrier devices.

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The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where

is a complex number with non-zero real and imaginary parts.

Diagram for Electrical Engineering question 15

For the given circuit,

and

are bus admittance matrix and bus impedance matrix, respectively, each of size

. Which one of the following statements is true?

Your answerChoose one option.

Both

and

are symmetric

is symmetric and

is unsymmetric

is unsymmetric and

is symmetric

Both

and

are unsymmetric

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A function

is defined as

, where

. Which one of the following statements is TRUE?

Your answerChoose one option.

is NOT differentiable at

for any values of

and $b.

is differentiable at

for the unique values of

and $b.

is differentiable at

for all values of

and

such that

is differentiable at

for all values of

and

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Let

and

. Consider the composition of

and

, i.e.,

. The number of discontinuities in

present in the interval

is:

Your answerChoose one option.

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Consider the differential equation

with

. There exists a unique solution for this differential equation when

belongs to the interval

Your answerChoose one option.

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The value of the contour integral in the complex-plane

along the contour

, taken counter-clockwise is

Your answerChoose one option.

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Consider the line integral

, where

. The line

is shown in the figure below. The value of

Diagram for Electrical Engineering question 28

Your answerChoose one option.

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GATE EE format:mcq PYQs

Question 13

Question 14

Question 14

Question 15

Question 15

Question 26

Question 26

Question 27

Question 27

Question 28