Solved question paper for BE May-2015 (DIPLOMA 1st-2nd)
Solved Question Paper
Basic electronics May-2015
PSBTE • DIPLOMA • Cvil Engineering • 1st-2nd • May-2015
Basic Electronics for Punjab State Board of Technical Education Diploma in Engineering students is a subject page where you can look for subject-wise previous year question papers, old question papers, and semester-wise papers for the 1st-2nd semester. It helps in revision, checking the exam pattern, and understanding which topics are asked again and again in the exam. Students can use this page to find PYQ papers, revision questions, and important questions for exam preparation. BRpaper is not the official website of Punjab State Board of Technical Education or any board/university, but a place to help students discover and practice previous year papers for this subject.
Solved Questions
Solved-
The ______________ of a transistor is heavily doped.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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Efficiency of half wave rectifier is ______________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2018 Efficiency of half wave rectifier is ……………………..
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May 2016
The maximum value of rectification efficiency of full wave rectifier can be_________%.
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Dec 2016
The maximum efficiency of full- wave rectifier is ......................
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Dec 2011 The efficiency of Half Wave Rectifier is _____________.
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The width of depletion layer in an unbiased P-N junction depends on _____________ level.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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MOSFET stands for _____________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2019 MOSFET stands for_________.
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May 2017 MOSFET stands for __________.
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Dec 2011 MOSFET stands for ________________.
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Dec 2011 Give full form of MOSFET.
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A.C. load line of a transistor is steeper than its D.C. load line.True / False 1 Marks May-2015 • PSBTE DIPLOMA
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May 2018 A.C. load line of a transistor is steeper than its D.C. load line.
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In N-type semiconductor, the majority carriers are _____________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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Dec 2016
The minority carriers in N type semiconductors are ........................
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Dec 2011 In N-type semiconductor, _________ are the minority carriers.
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The point of intersection of ac and dc load line is called _____________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2019 The point of intersection of DC and AC load line is called_______.
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May 2018 The point of intersection of dc and ac load line is called ……………..
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Dec 2017
The point of intersection of dc and ac load line is called__________
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Dec 2016
The point of intersection of DC and AC load line is ........................
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May 2015 The point of intersection of A.C. and D.C. load line is called ______________.
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BJT stands for _____________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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Dec 2018 BJT stands for _______.
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A pure semiconductor is called extrinsic semiconductor.True / False 1 Marks May-2015 • PSBTE DIPLOMA
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When both the junctions of a transistor are forward biased, it is said to be in ____________ region.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2019 In saturation region both junctions of transistors are ______ biased.
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May 2018 When both the junctions of a transistor are forward biased, it is said to be in ……… region.
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The point of intersection of A.C. and D.C. load line is called ______________.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2019 The point of intersection of DC and AC load line is called_______.
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May 2018 The point of intersection of dc and ac load line is called ……………..
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Dec 2017
The point of intersection of dc and ac load line is called__________
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Dec 2016
The point of intersection of DC and AC load line is ........................
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May 2015 The point of intersection of ac and dc load line is called _____________.
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A JFET is ______________ controlled device.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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The voltage gain of an emitter follower is either unity or less.True / False 1 Marks May-2015 • PSBTE DIPLOMA
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When a transistor is operating in the active region, the emitter base junction is __________ biased and collector base junction is _____________ biased.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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The zener diode is always made _____________ biased when using in a circuit.Fill in the Blanks 1 Marks May-2015 • PSBTE DIPLOMA
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May 2019 Zener diode is made to operate in ________ region.
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May 2018 Zener diode is made to operate in ………. Region.
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Dec 2018 A zener diode is always operated in _________ region.
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May 2017 Zener diode is made to operate in ___________ region.
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Dec 2017
A zener diode is always operated in ___________region.
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Dec 2016
Zener diode is made to operate in ........... region.
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May 2015 A zener diode is always operated in the ____________ region.
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Dec 2015 A zener diode is always operated in _________ regon.
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Describe the atomic structure of Silicon and Germanium atoms.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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Explain diode as a half wave rectifier with diagram.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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May 2021 Draw the circuit diagram and explain the working of Half wave rectifier
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May 2019 Explain functioning of Half Wave Rectifier?
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May 2018 Explain the working of half wave rectifier.
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Dec 2017
Explain the working of half wave rectifier.
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Explain the concept of transistor biasing. Also name different types of biasing circuits.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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May 2020 Define biasing? Explain in detail any one type of biasing circuits.
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Dec 2017
What are various transistor biasing circuits? Compare their advantages and disadvantages.
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Write a note on CMOS. Also write its advantages and applications.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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May 2019 Give advantages and applications of CMOS.
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May 2017 What is CMOS? Explain its advantages and application.
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What do you mean by diode? Write about varactor diode and LED.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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What do you mean by A.C. load line and explain its use in calculations of current and voltage gain of a single stage amplifier circuit.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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Dec 2011 What are the use of AC load line in calculation of current & voltage gain of single stage amplifier circuit?
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Explain the zener and avalanche breakdown.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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May 2019 Explain the terms avalanche and zener breakdown.
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Dec 2011 Explain Zener breakdown & avalanche breakdown.
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What is a filter circuit? Explain the working of LC filter.Long Answer 6 Marks May-2015 • PSBTE DIPLOMA
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May 2021 Explain the functions of components used in the Filter circuit’s.
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May 2019 What is a filter circuit? Explain the working of LC filter.
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May 2019 Explain working of LC Capacitor input filter?
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May 2018 Write a short note on Filter circuits.
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Dec 2018 Draw and explain Filter Circuits.
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May 2015 Explain working of Capacitor-Input π Filter.
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Dec 2015 Draw and explain Filter Circuits.
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Draw the circuit diagram of bridge rectifier and explain its working with the help of waveforms.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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May 2020 Draw circuit of full wave Rectifier and explain its working. Draw the output waveform.
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May 2019 With the help of diagram and waveforms, explain working of center tap full wave rectifier.
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May 2019 Explain Bridge wave rectifier with circuit diagram?
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May 2018 Draw circuit of a full wave bridge rectifier and explain its working. Draw the output waveform.
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Dec 2018 Draw circuit of half wave Rectifier and explain its working. Draw the output waveform.
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Dec 2017
With the help of a diagram, explain the working of a bridge rectifier.
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May 2016
With the help of circuit diagram explain the working of Full Wave Bridge Type Rectifier.
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Dec 2015 Draw circuit of a Full Wave Bridge Rectifier and explain its working. Draw the output waveform.
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Dec 2011 Draw the circuit diagram of full wave rectifier. Explain its working.
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Dec 2011 What do you mean by rectifier? Explain diode as a full wave rectifier.
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Explain the construction, working and characteristics of N channel depletion type MOSFET.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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May 2019 Explain construction, operation and characteristics of a MOSFET in depletion and enhancement modes.
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Dec 2011 Explain the construction, operation & characteristics of MOSFET in depletion mode.
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Draw the FET amplifier circuit and explain its working.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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Explain the h- parameter, doping, drift current & diffusion current.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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Differentiate between CE, CB & CC amplifier. Explain CE configuration.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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Differentiate between conductor, insulator and semiconductor on the basis of energy level diagram. Also write about N type and P type semiconductor.Long Answer 10 Marks May-2015 • PSBTE DIPLOMA
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May 2021 Draw and explain energy level diagram of conductors, insulators and semiconductors.
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May 2019 Differentiate between conductors, insulators and semiconductors on the basis of energy levels diagrams?
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May 2018 Explain conductors, insulators and semiconductors on the basis of their energy band diagram.
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Dec 2017
Discuss energy band structure for insulators, semiconductors and conductors.
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May 2016
Explain Conductors, Insulators and Semiconductors on the basis their energy band diagrams.
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May 2015 Explain Conductors on the basis of their energy band diagrams.
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May 2015 Explain Insulators on the basis of their energy band diagrams.
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May 2015 Explain Semiconductors on the basis of their energy band diagrams.
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find Basic Electronics previous year question papers?
You can use this page to खोज subject-wise Basic Electronics previous year question papers for PSBTE Diploma in Engineering.
02 Is this page for 1st-2nd semester Basic Electronics papers?
Yes, this subject page is grouped for the 1st-2nd semester of the Diploma in Engineering course.
03 Can I get a Basic Electronics question paper PDF here?
This page is meant to help students discover old question papers and related paper PDFs when available.
04 Will this help with exam pattern and revision?
Yes, old papers are useful for understanding the exam pattern, repeated questions, and key topics for revision.
05 Are solved Basic Electronics question papers available?
Students often search for solved papers, but availability depends on what is listed on the page. It is mainly for finding previous year papers.