Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Op-amp Circuits - Analog Circuits - Electronics & Communication 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 Op-amp Circuits. 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 |
|---|---|---|---|
| Electronics and Communication Engineering (EC) 2026 | 2026 | 5 | View paper |
| Electronics & Communication Engineering (EC) 2025 | 2025 | 3 | View paper |
| Electronics & Communication Engineering (EC) 2024 | 2024 | 3 | View paper |
| Electronics & Communication Engineering (EC) 2023 | 2023 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2022 | 2022 | 5 | View paper |
| Electronics & Communication Engineering (EC) 2021 | 2021 | 4 | View paper |
| Electronics & Communication Engineering (EC) 2020 | 2020 | 6 | View paper |
| Electronics & Communication Engineering (EC) 2018 | 2018 | 3 | View paper |
| Electronics & Communication Engineering (EC) 2017 | 2017 | 1 | View paper |
| Electronics & Communication Engineering (EC) 2016 [Session 1] | 2016 | 5 | View paper |
| Electronics & Communication Engineering (EC) 2016 [Session 2] | 2016 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2016 [Session 3] | 2016 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2014 [Session 1] | 2014 | 1 | View paper |
| Electronics & Communication Engineering (EC) 2014 [Session 3] | 2014 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2014 [Session 4] | 2014 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2013 [Session 1] | 2013 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2013 [Session 2] | 2013 | 4 | View paper |
| Electronics & Communication Engineering (EC) 2013 [Session 3] | 2013 | 3 | View paper |
| Electronics & Communication Engineering (EC) 2013 [Session 4] | 2013 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2012 | 2012 | 1 | View paper |
| Electronics & Communication Engineering (EC) 2011 | 2011 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2010 | 2010 | 3 | View paper |
| Electronics & Communication Engineering (EC) 2008 | 2008 | 5 | View paper |
Practice every matching question in batches of 20, with every available option.



Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown below is

The transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diodes)

The circuit below implements a filter between the input current \(i_i\) and the output voltage \(v_o\). Assume that the opamp is ideal. The filter implemented is a







Showing 20 of 66 questions