Instrumentation Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE IN 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.
Question 30
Open questionINMCQ2 marksNeeds review
The output
of the ideal OpAmp used in the circuit shown below is 5 V. Then the value of resistor
in kilo ohm (k
) is

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A Boolean function F of three variables X, Y, and Z is given as
Which one of the following is true?
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A 10½ digit Counter-timer is set in the ‘frequency mode’ of operation (with
s). For a specific input, the reading obtained is 1000. Without disconnecting this input, the Counter-timer is changed to operate in the ‘Period mode’ and the range selected is microseconds (
s, with
MHz). The counter will then displayYour answerChoose one option.
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