Explore: All JEE Main chapters · JEE Main Physics PYQs · JEE Main hub · JEE Main 2026 · Syllabus & pattern
Answer first
Electronic Devices PYQs (previous year questions) for JEE Main: Electronic Devices (Physics) had 15 questions across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 11 of them. Asked in 3 of 3 years. The concepts asked in the most papers: Logic Gates, Zener Diode, Diode Circuits.
Year-wise question count
Asked in 3 of 3 years.
| Year | Papers | Questions | Per paper |
|---|---|---|---|
| JEE Main 2026 | 9 | 11 | 1.2 |
| JEE Main 2017 | 1 | 1 | 1 |
| JEE Main 2016 | 1 | 3 | 3 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Logic Gates | 6 | 6 | 2026, 2016 |
| Zener Diode | 3 | 2 | 2026 |
| Diode Circuits | 1 | 1 | 2026 |
| Diodes and LED | 1 | 1 | 2026 |
| p-n Junction | 1 | 1 | 2026 |
| Semiconductor Devices | 1 | 1 | 2016 |
| Transistor | 1 | 1 | 2016 |
| Transistor Amplifier | 1 | 1 | 2017 |
How to practise Electronic Devices PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Electronic Devices questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Main2026
- Q.37 (2 April, shift 1) · MCQ · Zener Diode: Identify components between X and Y from input and clipped output waveforms (official answer: option 2) PDF
- Q.30 (2 April, shift 2) · MCQ · Logic Gates: Identify the gate equivalent to a combination of NAND gates (official answer: option 4) PDF
- Q.38 (4 April, shift 1) · MCQ · Logic Gates: Output of a NOT plus NAND circuit for two 4-bit binary inputs (official answer: option 1) PDF
- Q.42 (4 April, shift 1) · MCQ · Diode Circuits: Time constant of an RC circuit containing two antiparallel diodes (official answer: option 1) PDF
- Q.45 (4 April, shift 2) · MCQ · Zener Diode: Assertion-reason on reverse-bias current and breakdown in a diode (official answer: option 3) PDF
- Q.46 (4 April, shift 2) · Numerical · Zener Diode: Minimum series resistance for a Zener diode with given power rating (official answer: 300) PDF
- Q.45 (5 April, shift 1) · MCQ · Logic Gates: Input combination making both LEDs glow in a logic circuit (official answer: option 3) PDF
- Q.45 (5 April, shift 2) · MCQ · p-n Junction: Depletion width on each side of an unequally doped p-n junction (official answer: option 2) PDF
- Q.39 (6 April, shift 1) · MCQ · Diodes and LED: Minimum series resistance protecting an LED in a diode circuit (official answer: option 2) PDF
- Q.43 (6 April, shift 2) · MCQ · Logic Gates: Output of a combination logic circuit for two input sets (official answer: option 3) PDF
- Q.45 (8 April, shift 2) · MCQ · Logic Gates: Output waveform of a gate circuit for given input waveforms (official answer: option 2) PDF
JEE Main2017
- Q.27 · MCQ · Transistor Amplifier: Phase difference in common emitter amplifier PDF
JEE Main2016
Electronic Devices in other exams
The same chapter in other official papers we tagged: NEET (3 questions).
Other Physics chapters
- Units and Measurements PYQs
- Kinematics PYQs
- Laws of Motion PYQs
- Work, Energy and Power PYQs
- Rotational Motion PYQs
- Gravitation PYQs
- Properties of Solids and Liquids PYQs
- Thermodynamics PYQs
- Kinetic Theory of Gases PYQs
- Oscillations and Waves PYQs
- Electrostatics PYQs
- Current Electricity PYQs
- Magnetic Effects of Current and Magnetism PYQs
- Electromagnetic Induction and AC PYQs
- Electromagnetic Waves PYQs
- Optics PYQs
- Dual Nature of Matter and Radiation PYQs
- Atoms and Nuclei PYQs
- Experimental Skills PYQs
FAQ
How many Electronic Devices questions come in JEE Main?
In the official papers we tagged: 11 in 2026 (9 papers), 1 in 2017 (1 paper) and 3 in 2016 (1 paper). That is 15 questions in all, about 5% of Physics.
Which Electronic Devices topics repeat in JEE Main?
Asked in the most papers: Logic Gates, Zener Diode, Diode Circuits. The concept table lists every one with its count.
Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.