Instrumentation Engineering
GATE IN exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 621–630 of 650. Imported answers require independent review unless marked reviewed.
Question 36
Open questionINNAT2 marksNeeds review
The block diagram of a closed-loop control system is shown in the figure. The values of
and
are such that the system has a damping ratio of 0.8 and an undamped natural frequency
of
respectively. The value of
will be __________.
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The loop transfer function of a closed-loop system is given by
. The breakaway point of the root-locus will be __________.Log in to check the answer
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Open questionINMCQ2 marksNeeds review
A closed-loop system is shown in the figure. The system parameter
is not known. The condition for asymptotic stability of the closed loop system is
Your answerChoose one option.
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The overall closed loop transfer function
, represented in the figure, will be
Your answerChoose one option.
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Assuming the opamp shown in the figure to be ideal, the frequency at which the magnitude of
will be 95% of the magnitude of
is __________ kHz.
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In the circuit, shown in the figure, the MOSFET is operating in the saturation zone. The characteristics of the MOSFET is given by
, where
is in V. If
, then the value of
in k
is __________.
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The two-input voltage multiplier, shown in the figure, has a scaling factor of 1 and produces voltage output. If
and
, the value of
in volt is __________.
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The two inputs A and B are connected to an R-S latch via two AND gates as shown in the figure.
If A = 1 and B = 0, the output
isYour answerChoose one option.
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The circuit of a Schmitt trigger is shown in the figure.
The zener-diode combination maintains the output between
. The width of the hysteresis band is __________ V.Log in to check the answer
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When the voltage across a battery is measured using a d.c. potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, the voltmeter reading shows 0.99 V. If the resistance of the voltmeter is 1100
, the internal resistance of the battery, in
, is __________.Log in to check the answer
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