Instrumentation Engineering
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE IN 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.
Question 22
Open questionINNAT1 markNeeds review
Consider a filter defined by the difference equation
where
and
represent the input and output, respectively. If the magnitude response of the filter at
is
, the value of
is ______ (rounded off to two decimal places).Log in to check the answer
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Open questionINNAT1 markNeeds review
Consider the circuit shown in the figure.

The CMOS digital logic circuit has infinite input impedance. Assume the opamp is ideal. A 1.8 V Zener diode with a minimum Zener current of 2 mA is used. The corresponding maximum value of resistance
is ______ kΩ (rounded off to one decimal place).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 24
Open questionINNAT1 markNeeds review
Figure shows an amplifier using an NMOS transistor. Assume that the transistor is in saturation with device parameters,
, threshold voltage
and
. Ignore the channel length modulation effect. The drain current of the transistor at the operating point is ______ μA (rounded off to nearest integer). 
Log in to check the answer
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