Electrical Engineering
GATE EE year:2019 PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.
Question 11
Open questionEEMCQ1 markNeeds review
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
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionEEMCQ1 markNeeds review
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 
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 13
Open questionEEMCQ1 markNeeds review
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.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionEEMCQ1 markNeeds review
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.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionEEMCQ1 markNeeds review
The characteristic equation of a linear time-invariant (LTI) system is given by
. The system is BIBO stable ifYour answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 16
Open questionEEMCQ1 markNeeds review
Given,
is the gate-source voltage,
is the drain source voltage, and
is the threshold voltage of an enhancement type NMOS transistor, the conditions for transistor to be biased in saturation areYour answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionEEMCQ1 markNeeds review
A current controlled current source (CCS) has an input impedance of 10
and output impedance of 100 k
. When this CCS is used in a negative feedback closed loop with a loop gain of 9, the closed loop output impedance isYour answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 18
Open questionEENAT1 markNeeds review
If
, the value of line integral
evaluated over contour
formed by the segments
is _________.Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
Open questionEENAT1 markNeeds review
The current
flowing in the circuit shown below in amperes (round off to one decimal place) is ________. 
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 20
Open questionEENAT1 markNeeds review
A co-axial cylindrical capacitor shown in Figure (i) has dielectric with relative permittivity
. When one-fourth portion of the dielectric is replaced with another dielectric of relative permittivity
as shown in Figure (ii), the capacitance is doubled. The value of
is ________. 
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer