Instrumentation Engineering
GATE IN concept:instrumentation-amplifier PYQs
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How to practice concept:instrumentation-amplifier
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Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.
Question 31
Open questionINMSQ1 markNeeds review
The circuits mentioned in the following options are realized using ideal opamp. Among these, the circuit(s) performing non-linear operation on the input signal is/are
Your answerSelect all correct options. You can choose more than one.
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Open questionINMCQ2 marksNeeds review
A J-type thermocouple has an output voltage
V, where
is the junction temperature in Celsius (°C). The thermocouple is used with reference junction compensation, as shown in the figure. The Instrumentation amplifier used has a gain G = 20. If
is 1 °C, for an input
of 100 °C, the output
of the instrumentation amplifier in millivolt is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 22
Open questionINNAT1 markNeeds review
As shown in the figure, temperature
is measured using a K type thermocouple. It has a sensitivity of 40
V/°C. The gain (G) of the ideal instrumentation amplifier is 25. If the output
is 96 mV, then the value of
(in °C) is ___. 
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