JEE Main Electronic Devices: Weightage, Key Concepts and Study Plan
Electronic Devices in JEE Main: 108 questions across 2022–2026, rank #13 of 20 in Physics, stable momentum. Year-wise data, key concepts and a study plan.
Edurack
October 21, 2026
Electronic Devices is a dependable mid-weight chapter in JEE Main Physics, ranked #13 of 20 with 3.7% of recent questions. Here is what five years of JEE Main questions say about it, and how to prepare.
At a glance
- 108 questions across 2022–2026, all shifts
- 3.7% of Physics over five years and 3.7% in 2024–2026
- Rank #13 of 20 Physics chapters by recent weight
- Momentum: Stable
- Asked in 5 of 5 years; busiest year 2022 with 26 questions
- 20 questions in the 2026 papers
Year-wise questions
| Year | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| Questions | 26 | 25 | 19 | 18 | 20 | 108 |
How Electronic Devices compares inside Physics
| Rank | Chapter | Total Qs | 2024–26 share | Momentum |
|---|---|---|---|---|
| 11 | Oscillations and Waves | 156 | 4.6% | Fading |
| 12 | Dual Nature of Matter and Radiation | 108 | 3.9% | Stable |
| 13 | Electronic Devices | 108 | 3.7% | Stable |
| 14 | Thermodynamics | 106 | 3.7% | Stable |
| 15 | Laws of Motion | 121 | 3.5% | Fading |
Concepts that repeat
These specific ideas came back most often inside Electronic Devices.
| Concept | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| Logic Gates | 12 | 4 | 10 | 9 | 10 | 45 |
Start your practice with these. Each one has appeared in every one of the five years, so it is worth knowing the question styles.
What the syllabus covers
Semiconductors, p-n junction diode characteristics, rectifier, LED, photodiode, solar cell, Zener diode as a voltage regulator, logic gates.
A checklist to tick off:
- Semiconductors
- P-n junction diode characteristics
- Rectifier
- LED
- Photodiode
- Solar cell
- Zener diode as a voltage regulator
- Logic gates
What to focus on
p-n junction behaviour in forward and reverse bias, rectifier output waveforms, Zener regulation and truth tables of logic gates.
A study plan for this chapter
Treat it as a dependable source of marks and keep it in your regular revision cycle. If you divide your Physics time in proportion to recent weightage, this chapter earns about 4% of it.
- Days 1–4: theory and solved examples.
- Days 5–9: chapter-wise PYQs and error log.
- Ongoing: a short revision every ten days.
Keep reading
- The full ranking: JEE Main Physics chapter-wise weightage
- Next chapter by weight: Thermodynamics
- A heavier neighbour: Dual Nature of Matter and Radiation
See Electronic Devices on the weightage page →
Frequently Asked Questions
How many questions has Electronic Devices had in JEE Main?
108 questions across 2022–2026, counting every shift: 2022: 26, 2023: 25, 2024: 19, 2025: 18, 2026: 20.
Is Electronic Devices important for JEE Main Physics?
It ranks #13 of 20 Physics chapters by recent weight, which puts it in tier 2 of 3 for preparation. Its momentum is labelled Stable.
How should I start Electronic Devices?
p-n junction behaviour in forward and reverse bias, rectifier output waveforms, Zener regulation and truth tables of logic gates. Then solve chapter-wise previous-year questions.