Gujarat Technological UniversitySummer 2025 examination

GTU 3110016 Basic Electronics (BE) Summer 2025 Question Paper & PDF

B.E. · Common Engineering · Semesters 1 and 2 · Subject code 3110016
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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20 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 42 repeated 3110016 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Draw and explain constructional details and symbols for BJT.
(b)
4 marksAsked in 5 of 7 papers
Draw and explain the V/I characteristics of a practical diode.

Also asked in Summer 2026 Q1a, Winter 2025 Q1a, Winter 2024 Q1a, Summer 2024 Q1b

(c)
7 marksAsked in 3 of 7 papers

Draw Common Base configuration and discuss its input and output characteristics with ICBO, ri, ro, and current gain α.

Also asked in Winter 2023 Q1c, Summer 2023 Q2c OR

Q.2

14 Marks
(a)
3 marks
Define: clipper, Clamper, PIV of a Diode.
(b)
4 marksAsked in 3 of 7 papers
Compare different rectifier circuits.

Also asked in Summer 2024 Q3c OR, Summer 2023 Q1b

(c)
7 marksAsked in 2 of 7 papers
Discuss diode approximations.

Also asked in Winter 2023 Q2c OR

(c)
7 marksAsked in 3 of 7 papers

Explain full wave center-tape rectifier in detail with waveforms and derivation of average output voltage.

Also asked in Winter 2024 Q1b, Winter 2023 Q2c

Q.3

14 Marks
(a)
3 marks
Draw circuit diagram of positive clamper and explain the operation.
(b)
4 marksAsked in 3 of 7 papers
Draw and explain circuit of AND gate using diodes.

Also asked in Winter 2025 Q5a OR, Winter 2023 Q5a OR

(c)
7 marksAsked in 2 of 7 papers
Explain thermal stability of BJT with stability factors S, S’, S’’.

Also asked in Winter 2025 Q3a OR

(a)
3 marks
Draw Hybrid equivalent model of transistor for CB, CE, CC configurations.
(b)
4 marksAsked in 2 of 7 papers
Describe LED with its applications.

Also asked in Summer 2024 Q3a OR

(c)
7 marksAsked in 2 of 7 papers
Discuss operation and applications of PIN Photo diode and Solar cell.

Also asked in Winter 2023 Q4c

Q.4

14 Marks
(a)
3 marksAsked in 3 of 7 papers
State the difference between Avalanche breakdown and Zener breakdown.

Also asked in Summer 2026 Q1b, Winter 2023 Q3a OR

(b)
4 marksAsked in 3 of 7 papers
Discuss seven segment display with its types.

Also asked in Winter 2025 Q4a OR, Winter 2023 Q4b OR

(c)
7 marksAsked in 4 of 7 papers
Explain biased positive and negative clipper circuits in detail.

Also asked in Summer 2026 Q1c, Winter 2025 Q2a, Summer 2023 Q1c

(a)
3 marks
For a BJT, αdc is 0.98 and base current is 50 μA, then find βdc , IC & IE.
(b)
4 marksAsked in 6 of 7 papers
Compare CB, CE, CC configurations.

Also asked in Summer 2026 Q4c, Winter 2025 Q4c, Winter 2024 Q2c, Summer 2024 Q2c OR, Winter 2023 Q4b

(c)
7 marksAsked in 2 of 7 papers
Draw Emitter follower circuit and discuss its input and output characteristics.

Also asked in Summer 2023 Q4b OR

Q.5

14 Marks
(a)
3 marksAsked in 6 of 7 papers
Compare BJT & FET.

Also asked in Summer 2026 Q4b, Winter 2025 Q4b OR, Winter 2024 Q4b, Summer 2024 Q5b, Winter 2023 Q5a

(b)
4 marksAsked in 3 of 7 papers
Explain OR gate using diodes.

Also asked in Winter 2025 Q5a OR, Winter 2023 Q5a OR

(c)
7 marksAsked in 4 of 7 papers
Describe MOSFET operation and draw the structures for D-MOSFET & E-MOSFET.

Also asked in Summer 2026 Q5c, Winter 2025 Q4c OR, Summer 2024 Q4c OR

(a)
3 marksAsked in 3 of 7 papers
Discuss FET as an amplifier.

Also asked in Summer 2026 Q4b OR, Winter 2023 Q5b OR

(b)
4 marksAsked in 5 of 7 papers
Compare different logic families.

Also asked in Summer 2026 Q5b OR, Summer 2024 Q4b, Summer 2024 Q5c OR, Winter 2023 Q5c, Summer 2023 Q5b

(c)
7 marksAsked in 3 of 7 papers

Explain Drain characteristics and Transfer characteristics of JFET in detail with all related terms as Transconductance, drain resistance and amplification factor.

Also asked in Summer 2026 Q5c OR, Winter 2023 Q5c OR

More Basic Electronics papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions
Winter 202570 marks · 5 questions
Winter 202470 marks · 5 questions · Solved
Summer 202470 marks · 5 questions

Other Semester 1 subjects

BE Common

3110001
Chemistry
3110002
English
3110003
Programming for Problem Solving
3110004
Basic Civil Engineering

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About this paper

Official Gujarat Technological University (GTU) examination paper for Basic Electronics (BE) (Summer 2025, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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