Physics · JEE

Electronic Devices Previous Year Questions for JEE

9+ syllabus-aligned questions available

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Goodmarks offers 9+ JEE-style PYQs for Electronic Devices with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Physics.

Previous year questions are the fastest way to understand how Electronic Devices is tested in JEE. Practise 9+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

Subtopics in Electronic Devices

Semiconductors, semiconductor diode: I-V characteristics in forward and reverse bias, diode as a rectifier
I-V characteristics of LED, the photodiode, solar cell, Zener diode, Zener diode as a voltage regulator
Logic gates (OR, AND, NOT, NAND and NOR)

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Q1PhysicsUnit 19: Electronic Devices

The transistor are usually made of

Q2PhysicsUnit 19: Electronic Devices

When all the inputs of a NAND gate are connected together, the resulting circuit is:

Q3PhysicsUnit 19: Electronic Devices

The ratio (R) of output resistance

r_{0}

and and the input resistance

r_{i}

in measurements of input and output characteristics of a transistor is typically in the range:

Q4PhysicsUnit 19: Electronic Devices

Thermistor material is pressed

Q5PhysicsUnit 19: Electronic Devices

Which of the following applications is not based on use of ICs?

Q6PhysicsUnit 19: Electronic Devices

In a transistor, forward bias is always smaller than the reverse bias. This is done to :

Q7PhysicsUnit 19: Electronic Devices

What will be the input of

A

and

B

for Boolean expression

(\overline{A+B})(\overline{A \cdot B})=1

Q8PhysicsUnit 19: Electronic Devices

In common base circuit of a transistor, current amplification factor is 0.95 Calculate the emitter current if base current is

0.2 \mathrm{mA}

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Frequently asked questions

Why practise PYQs for Electronic Devices?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Electronic Devices, covering the same topics as previous year papers.

How should I use PYQs for Electronic Devices?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.