Solved question paper for BE Dec-2011 (DIPLOMA 1st-2nd)

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Solved Question Paper

Basic electronics Dec-2011

PSBTE • DIPLOMA • Cvil Engineering • 1st-2nd • Dec-2011

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.

Question papers (year-wise) Solutions

Solved Questions

Solved

In N-type semiconductor, _________ are the minority carriers.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2016
The minority carriers in N type semiconductors are ........................

May 2015 In N-type semiconductor, the majority carriers are _____________.
Semiconductor have _____________ bond.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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The merging of free electron & hole is called _____________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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A crystal diode act as a/an _____________ switch.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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An ideal crystal diode has _____________ forward resistance.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 An ideal diode has ______ forward resistance.

May 2015 An ideal diode has _________ forward resistance.
The value of knee voltage for silicon diode is _________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018 The value of knee voltage for silicon diode is ………………. Volt.

Dec 2018 The value of knee voltage of a Germanium diode is _______ volts.

May 2017 The value of knee voltage for silicon diode is __________ volt.

May 2016
The value of knee voltage for germanium diode is _________volt.

Dec 2016
The value of knee voltage for silicon diode is ....................... volt.
Filter circuits are used to reduce _____________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018 Filter circuits are used to reduce ……………….

May 2016
Filter circuits are used to reduce________.

May 2015 Filter circuits are used to reduce _________.
In transistor, base is very _________________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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Give full form of MOSFET.

Short Answer 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 MOSFET stands for_________.

May 2017 MOSFET stands for __________.

May 2015 MOSFET stands for _____________.

Dec 2011 MOSFET stands for ________________.
The function of transistor is to ___________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2016
A transistor is usually applied for____________.

May 2015 A transistor is usually applied for ____________.
The efficiency of Half Wave Rectifier is _____________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018 Efficiency of half wave rectifier is ……………………..

May 2016
The maximum value of rectification efficiency of full wave rectifier can be_________%.

Dec 2016
The maximum efficiency of full- wave rectifier is ......................

May 2015 Efficiency of half wave rectifier is ______________.
PIV stands for __________________.

Fill in the Blanks 1.5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2016
PIV stands for_____________.

Dec 2016
PIV Stands for ........................

May 2015 PIV stands for _____________.

Draw the atomic structure of Germanium. What do you mean by minority carriers, majority carriers & doping?

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by diode? Explain forward biasing of diode.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain shunt capacitor filter.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2016
Explain working of shunt capacitor filter.
How BJT is differ from JFET.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Compare the MOSFET and BJT.

May 2018 Explain the difference between FET and BJT.

May 2017 Differentiate between FET and BJT.

Dec 2016
Distinguish between FET and BJT.

Explain the phase reversal of output voltage with respect to input voltage.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018 Explain the phase reversal of output voltage with respect to input voltage in an amplifier.
Explain Zener breakdown & avalanche breakdown.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Explain the terms avalanche and zener breakdown.

May 2015 Explain the zener and avalanche breakdown.
Derive the relation between α and β, α and γ.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Write the relation between α and β.

May 2015 Derive the relation between α and β.
List different types of diode. Explain Schottky diode.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by rectifier? Explain diode as a full wave rectifier.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2020 Draw circuit of full wave Rectifier and explain its working. Draw the output waveform.

May 2019 With the help of diagram and waveforms, explain working of center tap full wave rectifier.

May 2019 Explain Bridge wave rectifier with circuit diagram?

May 2018 Draw circuit of a full wave bridge rectifier and explain its working. Draw the output waveform.

Dec 2018 Draw circuit of half wave Rectifier and explain its working. Draw the output waveform.

Dec 2017
With the help of a diagram, explain the working of a bridge rectifier.

May 2016
With the help of circuit diagram explain the working of Full Wave Bridge Type Rectifier.

May 2015 Draw the circuit diagram of bridge rectifier and explain its working with the help of waveforms.

Dec 2015 Draw circuit of a Full Wave Bridge Rectifier and explain its working. Draw the output waveform.

Dec 2011 Draw the circuit diagram of full wave rectifier. Explain its working.
What is transistor? What are the functions of emitter, base & collector? Explain the working of PNP transistor.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Explain the construction, operation & characteristics of MOSFET in depletion mode.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Explain construction, operation and characteristics of a MOSFET in depletion and enhancement modes.

May 2015 Explain the construction, working and characteristics of N channel depletion type MOSFET.
What are the different types of biasing circuit? Explain potential divider biasing in detail.

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2021 Explain voltage divider biasing circuit.

May 2016
Describe the potential divider circuit in detail.

Dec 2016
Explain potential divider bias circuit with diagram.

May 2015 Write a note on Voltage Divider Biasing Circuit.

What are the use of AC load line in calculation of current & voltage gain of single stage amplifier circuit?

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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May 2015 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.
Sketch & dimension four types of rivet heads. Where these rivets are used?

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the plan & section elevation of a single-riveted lap joint.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the plan & section elevation of a zig-zag riveting lap joint taking dia. of rivet 20 mm and calculate all other dimensions by empirical proportions.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Sketch the various conventions & symbols of welded joints.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the profile of ACME thread for 24 mm screw threads.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw the profile of Buttress thread for 24 mm screw threads.

Dec 2011 Draw the profile of Metric thread for 24 mm screw threads.
Draw the profile of Buttress thread for 24 mm screw threads.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw the profile of ACME thread for 24 mm screw threads.

Dec 2011 Draw the profile of Metric thread for 24 mm screw threads.
Draw the profile of Metric thread for 24 mm screw threads.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw the profile of ACME thread for 24 mm screw threads.

Dec 2011 Draw the profile of Buttress thread for 24 mm screw threads.

Sketch the locking device: castle nut.

Short Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Sketch the locking device: lock nut.

Dec 2011 Sketch the locking device: split pin lock nut.
Sketch the locking device: lock nut.

Short Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Sketch the locking device: castle nut.

Dec 2011 Sketch the locking device: split pin lock nut.
Sketch the locking device: split pin lock nut.

Short Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Sketch the locking device: castle nut.

Dec 2011 Sketch the locking device: lock nut.
Make a neat sketch showing two views of a cottered joint with a sleeve for connecting rods each of 50 mm diameter. Give all proportions.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Describe with a neat sketch a pin type of flexible coupling.

Long Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Explain why washers are used.

Short Answer 20 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the following threads taking pitch = 15 mm: multiple start threads.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the following threads taking pitch = 15 mm: buttress thread sections.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw the following threads taking pitch = 15 mm: knuckle thread sections.

Draw the following threads taking pitch = 15 mm: knuckle thread sections.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw the following threads taking pitch = 15 mm: buttress thread sections.
Draw front view and side view of a square headed bolt of 30 mm diameter and 120 mm length with a washer and a hexagonal nut.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Draw or sketch free hand any two locking devices: castle nut.

Short Answer 9 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw or sketch free hand any two locking devices: sawn nut.

Dec 2011 Draw or sketch free hand any two locking devices: split pin lock nut.
Draw or sketch free hand any two locking devices: sawn nut.

Short Answer 9 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw or sketch free hand any two locking devices: castle nut.

Dec 2011 Draw or sketch free hand any two locking devices: split pin lock nut.

Draw or sketch free hand any two locking devices: split pin lock nut.

Short Answer 9 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Draw or sketch free hand any two locking devices: castle nut.

Dec 2011 Draw or sketch free hand any two locking devices: sawn nut.
Sketch freehand or draw any three different types of machine screws.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Write steps to draw a knuckle joint using CAD software.

Short Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Draw the top view and sectional front view of a single riveted double cover butt joint taking diameter of the rivet = 25 mm.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Give drawings of any three keys and two different cotters.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Sketch any five rivet heads and name them.

Short Answer 7.5 Marks Dec-2011 • PSBTE DIPLOMA

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Draw front view and side view of sleeve and cotter joint. You may use instruments or sketch free hand.

Long Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Give conventional representation of left hand external threads.

Short Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Give conventional representation of right hand external threads.

Give conventional representation of right hand external threads.

Short Answer 15 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Give conventional representation of left hand external threads.

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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly

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.

Solved question paper for BE Dec-2011 (DIPLOMA 1st-2nd)

Basic electronics Dec-2011

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