Instrumentation Engineering
GATE IN Analog Electronics PYQs
Build your understanding with focused practice from past exam papers.
Questions 61–65 of 65. Imported answers require independent review unless marked reviewed.
Question 41
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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 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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A resistance temperature detector (RTD) is connected to a circuit, as shown in the figure. Assume the opamp to be ideal. If
, then the value of
is ________. 
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The junction semiconductor temperature sensor shown in the figure is used to measure the temperature of hot air. The output voltage
is 2.1 V. The current output of the sensor is given by
where
is the temperature in K. Assuming the opamp to be ideal, the temperature of the hot air in °C is approximately ________. 
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