GATE EE purpose:exam-prep PYQs & Answers — Page 28

Questions 271–280 of 715. Imported answers require independent review unless marked reviewed.

Topic practice 715 questionsPage 28 of 72

The transfer function of a real system,

, is given as:

where

and

are positive constants. This system cannot operate as

Your answerChoose one option.

low pass filter.

high pass filter.

band pass filter.

an integrator.

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For an ideal MOSFET biased in saturation, the magnitude of the small signal current gain for a common drain amplifier is

Your answerChoose one option.

100

infinite

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The most common used relay, for the protection of an alternator against loss of excitation, is

Your answerChoose one option.

offset he relay.

over current relay.

differential relay.

Buchholz relay.

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The geometric mean radius of a conductor, having four equal strands with each strand of radius

, as shown in the figure below,

Diagram for Electrical Engineering question 14

Your answerChoose one option.

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The valid positive, negative and zero sequence impedances (in p.u.), respectively, for a 220 kV, fully transposed three-phase transmission line, from the given choices are

Your answerChoose one option.

1.1, 0.15 and 0.08

0.15, 0.15 and 0.35

0.2, 0.2 and 0.2

0.1, 0.3 and 0.1

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The steady state output (

), of the circuit shown below, will

Diagram for Electrical Engineering question 16

Your answerChoose one option.

saturate to

become equal to 0.1 V

become equal to

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The Bode magnitude plot of a first order stable system is constant with frequency. The asymptotic value of the high frequency phase, for the system, is −180°. This system has

Diagram for Electrical Engineering question 17

Your answerChoose one option.

one LHP pole and one RHP zero at the same frequency.

one LHP pole and one LHP zero at the same frequency.

two LHP poles and one RHP zero.

two RHP poles and one LHP zero.

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A balanced Wheatstone bridge

has the following arm resistances:

is an unknown resistance;

. The value of

and its accuracy is

Your answerChoose one option.

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The open loop transfer function of a unity gain negative feedback system is given by

. The range of

for which the system is stable, is

Your answerChoose one option.

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Consider a 3 x 3 matrix

whose

-th element,

. Then the matrix

will be

Your answerChoose one option.

symmetric.

skew-symmetric.

unitary.

null.

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GATE EE purpose:exam-prep PYQs

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