Solved question paper for BE May-2018 (DIPLOMA 1st-2nd)
Solved Question Paper
Basic electronics May-2018
PSBTE • DIPLOMA • Cvil Engineering • 1st-2nd • May-2018
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-
N-type semiconductors are formed by adding ……… impurities to a pure semiconductor.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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May 2017 N-type semiconductors are formed by adding __________ impurity to a pure semiconductor.
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May 2016
To obtain p-type semiconductor, _________impurity is added to a pure semiconductor.
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Efficiency of half wave rectifier is ……………………..Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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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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May 2015 Efficiency of half wave rectifier is ______________.
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Dec 2011 The efficiency of Half Wave Rectifier is _____________.
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Center-Tap transformer is used in …………. Wave rectifier.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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Filter circuits are used to reduce ……………….Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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May 2016
Filter circuits are used to reduce________.
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May 2015 Filter circuits are used to reduce _________.
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Dec 2011 Filter circuits are used to reduce _____________.
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The value of knee voltage for silicon diode is ………………. Volt.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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Dec 2018 The value of knee voltage of a Germanium diode is _______ volts.
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May 2017 The value of knee voltage for silicon diode is __________ volt.
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May 2016
The value of knee voltage for germanium diode is _________volt.
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Dec 2016
The value of knee voltage for silicon diode is ....................... volt.
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Dec 2011 The value of knee voltage for silicon diode is _________.
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Zener diode is made to operate in ………. Region.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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May 2019 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 The zener diode is always made _____________ biased when using in a circuit.
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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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In BJT, leakage current mainly depends on ……………………Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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May 2017 In transistor, leakage current mainly depends on _________.
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The point of intersection of dc and ac load line is called ……………..Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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May 2019 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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May 2015 The point of intersection of A.C. and D.C. load line is called ______________.
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A.C. load line of a transistor is steeper than its D.C. load line.True / False 1 Marks May-2018 • PSBTE DIPLOMA
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May 2015 A.C. load line of a transistor is steeper than its D.C. load line.
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The best biasing method is achieved by adopting …………… biasing circuit.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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Dec 2018 The best biasing method is achieved by adopting _______ biasing circuit.
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May 2015 The best biasing is achieved by adopting ________ biasing circuit.
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JFET stands for ……………….Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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MOSFET is a …………….. Controlled dev ice.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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Dec 2018 MOSFET is a ________ controlled device.
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The emitter and collector regions of BJT is …………………… and ……………….. Doped.Fill in the Blanks 1 Marks May-2018 • PSBTE DIPLOMA
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Free electrons exists in ………… band.Fill in the Blanks 1 Marks May-2018 • 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-2018 • PSBTE DIPLOMA
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May 2019 In saturation region both junctions of transistors are ______ biased.
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May 2015 When both the junctions of a transistor are forward biased, it is said to be in ____________ region.
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Explain with suitable diagram intrinsic and extrinsic semiconductors.Long Answer 6 Marks May-2018 • PSBTE DIPLOMA
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May 2021 Explain the types of Extrinsic Semiconductor.
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May 2019 Explain p- type and n-type semiconductors?
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May 2017 What are intrinsic and extrinsic semiconductors?
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Dec 2017
Explain intrinsic and extrinsic semiconductors.
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May 2016
Explain with suitable diagram Intrinsic and Extrinsic semiconductors.
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What is Zener diode? Draw its symbol and explain its characteristics.Long Answer 6 Marks May-2018 • PSBTE DIPLOMA
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May 2021 Draw and explain the VI Characteristics of Zener Diode and its applications.
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May 2017 What is Zener diode? Draw its symbol and explain its characteristics.
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Dec 2016
Draw and explain the V-I characteristics of PN junction diode.
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Dec 2011 What is an “Ideal Diode”? Draw its V-I characteristics.
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Explain the working of half wave rectifier.Long Answer 6 Marks May-2018 • 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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Dec 2017
Explain the working of half wave rectifier.
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May 2015 Explain diode as a half wave rectifier with diagram.
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Explain the working of NPN transistor.Long Answer 6 Marks May-2018 • PSBTE DIPLOMA
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May 2021 Explain working of NPN transistor.
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May 2019 Explain working of transistor with circuit diagram?
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May 2017 What is transistor? Draw and explain PNP transistor.
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May 2017 Explain the concept of bipolar transistor and draw symbol of NPN and PNP transistors.
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May 2016
Explain the working of npn transistor.
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Dec 2016
Explain the working of PNP transistor with diagram..
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Dec 2011 Explain the basic concept of bipolar transistor.
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Dec 2011 Explain the Common emitter input characteristics of NPN transistor.
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Explain the difference between FET and BJT.Long Answer 6 Marks May-2018 • PSBTE DIPLOMA
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May 2019 Compare the MOSFET and BJT.
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May 2017 Differentiate between FET and BJT.
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Dec 2016
Distinguish between FET and BJT.
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Dec 2011 How BJT is differ from JFET.
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What do you mean by h parameters of transistors?Short Answer 6 Marks May-2018 • PSBTE DIPLOMA
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Dec 2017
What do you mean by h parameters of a transistor? Explain briefly.
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In what way the temperature variations affect the operating point of a transistor?Short Answer 6 Marks May-2018 • PSBTE DIPLOMA
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May 2016
In what way the temperature variations affect the operating point of a transistor?
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Explain the phase reversal of output voltage with respect to input voltage in an amplifier.Long Answer 6 Marks May-2018 • PSBTE DIPLOMA
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Dec 2011 Explain the phase reversal of output voltage with respect to input voltage.
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Explain conductors, insulators and semiconductors on the basis of their energy band diagram.Long Answer 10 Marks May-2018 • 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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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 Differentiate between conductor, insulator and semiconductor on the basis of energy level diagram. Also write about N type and P type semiconductor.
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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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Draw circuit of a full wave bridge rectifier and explain its working. Draw the output waveform.Long Answer 10 Marks May-2018 • 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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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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May 2015 Draw the circuit diagram of bridge rectifier and explain its working with the help of waveforms.
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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 PN junction and draw the V-I characteristics of PN junction.Long Answer 10 Marks May-2018 • PSBTE DIPLOMA
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Explain the input and output characteristics of CE configuration. Derive the relation between α and β.Long Answer 10 Marks May-2018 • PSBTE DIPLOMA
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May 2016
Explain the input and output characteristics of CE Configuration? Also derive the relation between α and β.
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Write a short note on Light Emitting Diode.Short Answer 10 Marks May-2018 • PSBTE DIPLOMA
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May 2020 Write a note on light emitting diode.
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Write a short note on Drift and Diffusion current.Short Answer 10 Marks May-2018 • PSBTE DIPLOMA
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May 2019 Write a note on drift and diffusion currents.
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May 2015 Write a note on Drift and Diffusion Current.
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Write a short note on Filter circuits.Short Answer 10 Marks May-2018 • 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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Dec 2018 Draw and explain Filter Circuits.
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May 2015 What is a filter circuit? Explain the working of LC filter.
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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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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.