Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Operational Amplifiers and Signal Generators - Analog Electronics - Instrumentation Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Operational Amplifiers and Signal Generators. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Instrumentation Engineering (IN) 2026 | 2026 | 4 | View paper |
| Instrumentation Engineering (IN) 2025 | 2025 | 5 | View paper |
| Instrumentation Engineering (IN) 2024 | 2024 | 6 | View paper |
| Instrumentation Engineering (IN) 2023 | 2023 | 4 | View paper |
| Instrumentation Engineering (IN) 2022 | 2022 | 5 | View paper |
| Instrumentation Engineering (IN) 2021 | 2021 | 3 | View paper |
| Instrumentation Engineering (IN) 2020 | 2020 | 4 | View paper |
| Instrumentation Engineering (IN) 2019 | 2019 | 5 | View paper |
| Instrumentation Engineering (IN) 2018 | 2018 | 5 | View paper |
| Instrumentation Engineering (IN) 2017 | 2017 | 8 | View paper |
| Instrumentation Engineering (IN) 2016 | 2016 | 5 | View paper |
| Instrumentation Engineering (IN) 2014 | 2014 | 5 | View paper |
| Instrumentation Engineering (IN) 2013 [Session 1] | 2013 | 3 | View paper |
| Instrumentation Engineering (IN) 2013 [Session 2] | 2013 | 9 | View paper |
| Instrumentation Engineering (IN) 2013 [Session 3] | 2013 | 8 | View paper |
| Instrumentation Engineering (IN) 2013 [Session 4] | 2013 | 8 | View paper |
| Instrumentation Engineering (IN) 2011 | 2011 | 5 | View paper |
| Instrumentation Engineering (IN) 2010 | 2010 | 5 | View paper |
| Instrumentation Engineering (IN) 2009 | 2009 | 5 | View paper |
| Instrumentation Engineering (IN) 2008 | 2008 | 6 | View paper |
| Instrumentation Engineering (IN) 2007 | 2007 | 11 | View paper |
Practice every matching question in batches of 20, with every available option.
The input resistance of the circuit shown in the figure, assuming an ideal op amp, is






In the feedback network shown below, if the feedback factor k is increased, then the




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