Electrical Engineering
GATE EE topic:electrical-engineering PYQs
Build your understanding with focused practice from past exam papers.
Questions 471–480 of 715. Imported answers require independent review unless marked reviewed.
Question 6
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A system transfer function is
. If
, and all other coefficients are positive, the transfer function represents aYour answerChoose one option.
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The symbols,
and
, represent positive quantities, and
is the unit step function. Which one of the following impulse responses is NOT the output of a causal linear time-invariant system?Your answerChoose one option.
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A 5 kVA, 50
V/100 V, single-phase transformer has a secondary terminal voltage of 95 V when loaded. The regulation of the transformer isYour answerChoose one option.
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A six-pulse thyristor bridge rectifier is connected to a balanced three-phase, 50 Hz AC source. Assuming that the DC output current of the rectifier is constant, the lowest harmonic component in the AC input current is
Your answerChoose one option.
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The parameter of an equivalent circuit of a three-phase induction motor affected by reducing the rms value of the supply voltage at the rated frequency is
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A three-phase synchronous motor draws 200 A from the line at unity power factor at rated load. Considering the same line voltage and load, the line current at a power factor of 0.5 leading is
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In the circuit shown below, the switch is closed at
. The value of
in degrees which will give the maximum value of DC offset of the current at the time of switching is 
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The output response of a system is denoted as
, and its Laplace transform is given by
. The steady state value of
isYour answerChoose one option.
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The open loop transfer function of a unity feedback system is given by
. In
plane, the Nyquist plot of
passes through the negative real axis at the pointYour answerChoose one option.
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The characteristic equation of a linear time-invariant (LTI) system is given by
. The system is BIBO stable ifYour answerChoose one option.
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