Electronic Systems Thinking and Circuits (ESTC) previous year papers
Quiz Space has 23 ESTC previous year papers from the IIT Madras BS Electronic Systems programme — 5 Qualifier papers, 10 Quiz 1 papers, 2 Quiz 2 papers and 6 End Term papers — sat between the May 2023 term and the January 2026 term. Every paper shows its questions with the answer key, and each can be taken as a timed mock test on the real exam screen. Free, no sign-up needed.
- 23
- 595
- 6
- 10 May 2026
ESTC Qualifier PYQ
All 5 papers5 ESTC Qualifier papers from 2023–2025. The Qualifier exam is the entrance to the IIT Madras BS degree: it covers the first four weeks of the four qualifier courses.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| ESTC Qualifier 26 Oct 2025 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Qualifier 26 Oct 2025 |
| ESTC Qualifier 13 Apr 2025 | January 2025 term | 25 | 40 | 120 min | Mock test — ESTC Qualifier 13 Apr 2025 |
| ESTC Qualifier 16 Mar 2025 | January 2025 term | 27 | 40 | 120 min | Mock test — ESTC Qualifier 16 Mar 2025 |
| ESTC Qualifier 1 Sept 2024 | May 2024 term | 25 | 40 | 120 min | Mock test — ESTC Qualifier 1 Sept 2024 |
| ESTC Qualifier 6 Aug 2023 | May 2023 term | 26 | 40 | 120 min | Mock test — ESTC Qualifier 6 Aug 2023 |
ESTC Quiz 1 PYQ
All 10 papers10 ESTC Quiz 1 papers from 2024–2026. Quiz 1 is held at the end of week 4 of the term and covers the content of weeks 1–4.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| ESTC Quiz 1 15 Mar 2026 | January 2026 term | 24 | 43 | 120 min | Mock test — ESTC Quiz 1 15 Mar 2026 |
| ESTC Quiz 1 26 Oct 2025 · Set QED2 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QED2 |
| ESTC Quiz 1 26 Oct 2025 · Set QED3 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QED3 |
| ESTC Quiz 1 26 Oct 2025 · Set QED4 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QED4 |
| ESTC Quiz 1 26 Oct 2025 · Set QEF2 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QEF2 |
| ESTC Quiz 1 26 Oct 2025 · Set QEF3 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QEF3 |
| ESTC Quiz 1 26 Oct 2025 · Set QEF4 | September 2025 term | 20 | 38 | 120 min | Mock test — ESTC Quiz 1 26 Oct 2025 set QEF4 |
| ESTC Quiz 1 7 Jul 2024 · Set QEF2 | May 2024 term | 26 | 40 | 120 min | Mock test — ESTC Quiz 1 7 Jul 2024 set QEF2 |
ESTC Quiz 2 PYQ
All 2 papers2 ESTC Quiz 2 papers from 2025–2026. Quiz 2 is held at the end of week 8 and covers the content of weeks 1–8, with the weight on weeks 5–8.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| ESTC Quiz 2 12 Apr 2026 | January 2026 term | 21 | 40 | 120 min | Mock test — ESTC Quiz 2 12 Apr 2026 |
| ESTC Quiz 2 16 Mar 2025 | January 2025 term | 27 | 40 | 120 min | Mock test — ESTC Quiz 2 16 Mar 2025 |
ESTC End Term PYQ
All 6 papers6 ESTC End Term papers from 2023–2026. The End Term exam covers the whole course, all twelve weeks, in 1.5 hours per course.
| Paper | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|
| ESTC End Term 10 May 2026 | January 2026 term | 50 | 100 | 180 min | Mock test — ESTC End Term 10 May 2026 |
| ESTC End Term 13 Apr 2025 · Set QEF1 | January 2025 term | 29 | 50 | 180 min | Mock test — ESTC End Term 13 Apr 2025 set QEF1 |
| ESTC End Term 13 Apr 2025 · Set QEF3 | January 2025 term | 29 | 50 | 180 min | Mock test — ESTC End Term 13 Apr 2025 set QEF3 |
| ESTC End Term 1 Sept 2024 | May 2024 term | 30 | 50 | 180 min | Mock test — ESTC End Term 1 Sept 2024 |
| ESTC End Term 24 Dec 2023 · Set AEF3 | September 2023 term | 32 | 50 | 180 min | Mock test — ESTC End Term 24 Dec 2023 set AEF3 |
| ESTC End Term 24 Dec 2023 · Set FEF1 | September 2023 term | 32 | 50 | 180 min | Mock test — ESTC End Term 24 Dec 2023 set FEF1 |
Frequently asked questions
Where can I find ESTC previous year question papers?
All 23 Electronic Systems Thinking and Circuits papers are on this page, grouped by exam: 5 Qualifier papers, 10 Quiz 1 papers, 2 Quiz 2 papers and 6 End Term papers. Open any paper to read it with answers, or start it as a timed mock test.
Are the ESTC PYQs free, and do they have answers?
Yes. Every paper is free to read and practise, with the correct option marked for each question. Signing in with Google is only needed to save your attempts and see your analysis.
Which is the latest ESTC paper?
The newest is the End Term of 10 May 2026 (January 2026 term). New papers are added after each term’s exams.
How many ESTC Qualifier papers are there?
5 Qualifier papers from 2023–2025, with 123 questions in all. See every ESTC Qualifier paper.
How many ESTC Quiz 1 papers are there?
10 Quiz 1 papers from 2024–2026, with 222 questions in all. See every ESTC Quiz 1 paper.
How many ESTC Quiz 2 papers are there?
2 Quiz 2 papers from 2025–2026, with 48 questions in all. See every ESTC Quiz 2 paper.
Is Quiz Space an official IIT Madras website?
No. Quiz Space is an independent practice site by Unknown IITians. The papers are IIT Madras BS papers from past terms; for the syllabus and grading rules, see the official site at study.iitm.ac.in.