Q.1
14 Marks(a)
Define the p-n junction diode and draw its characteristics.
(b)
Explain the working of a Zener diode as a voltage regulator.
(c)
Derive the expressions for load line analysis in a diode circuit.
Gujarat Technological UniversitySummer 2025 examination
GTU BE01000111 Basic Electronics Engineering Summer 2025 Question Paper & PDF
B.E. · Common Engineering · Semesters 1 and 2 · Subject code BE01000111
- 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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Q.2
14 Marks(a)
Draw circuit diagram, waveform of a half-wave rectifier.
(b)
Explain one series and one shunt clipping circuits with necessary circuit diagram and waveform.
(c)
Explain the working of a full-wave bridge rectifier with necessary circuit diagram and waveform.
OR
(c)
Explain the working of a full-wave rectifier with a center-tapped transformer.
Q.3
14 Marks(a)
State the importance of transistor biasing.
(b)
Compare between CB, CE, and CC configurations in BJTs with diagram.
(c)
Draw and explain CE configuration with input and output Characteristics
OR
(a)
Derive relation between α and β.
(b)
Explain voltage divider biasing with neat diagram.
(c)
Draw and explain CB configuration with input and output Characteristics
Q.4
14 Marks(a)
Describe the operation of a JFET with neat diagram.
(b)
Draw MOSFET and describe the working.
(c)
Explain Voltage divider Biasing of JFET with diagram.
OR
(a)
State the advantages of JFETs over BJTs.
(b)
Draw symbol of MOSFETS. how enhancement MOSFET is different from depletion MOSFET.
(c)
Explain Self Biasing of JFET with diagram.
Q.5
14 Marks(a)
Illustrate LED.
(b)
What is a Schottky diode? Explain its advantages over regular diodes.
(c)
Discuss the construction and working of a solar cell. Highlight its applications.
OR
(a)
Explain Seven segment display.
(b)
Explain the working principle of a Tunnel diode.
(c)
Discuss the construction and applications of a Varactor diode .
More Basic Electronics Engineering papers
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About this paper
Official Gujarat Technological University (GTU) examination paper for Basic Electronics Engineering (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.