Solved question paper for BE May-2019 (DIPLOMA 1st-2nd)

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Basic electronics May-2019

PSBTE • DIPLOMA • Cvil Engineering • 1st-2nd • May-2019

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.

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Solved Questions

Solved

Under normal operating voltages the reverse current in a silicon junction diode is in ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2015 Under normal operating voltage, the reverse current in a silicon diode is about in _____.
Ripple factor in full wave rectifier is ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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CMOS means ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2019 CMOS stands for_________

Dec 2018 CMOS stands for _______.
Write the relation between α and β.

Short Answer 1 Marks May-2019 • PSBTE DIPLOMA

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May 2015 Derive the relation between α and β.

Dec 2011 Derive the relation between α and β, α and γ.

Biasing in transistor is done to stabilize the ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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At absolute zero temperature an intrinsic semiconductor behaves like ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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In saturation region both junctions of transistors are ______ biased.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2018 When both the junctions of a transistor are forward biased, it is said to be in ……… region.

May 2015 When both the junctions of a transistor are forward biased, it is said to be in ____________ region.
When a P-N junction is heavily doped its breakdown voltage will ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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Dec 2018 When pn junction is heavily doped, its breakdown voltage will _______.

Dec 2015 When pn junction is heavily doped, its breakdown voltage will ______.

Operation of JFET involves ______ carriers.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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Dec 2011 The operation of JFET involves a flow of ____________ carriers.
Boron has ______ valence electrons.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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An ideal diode has ______ forward resistance.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2015 An ideal diode has _________ forward resistance.

Dec 2011 An ideal crystal diode has _____________ forward resistance.
The ideal value of stability factor is ______.

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May 2017 The ideal value of stability factor is ____________.

Dec 2016
An ideal value of stability factor is ........................

The communication path in an FET through which the carriers flow between drain and source is called ______.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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A capacitor circuit does not allow passing ______ component.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2016
A capacitor circuit does not allow to pass ________ component.
The material used for the construction of LED is ______ band gap.

Fill in the Blanks 1 Marks May-2019 • PSBTE DIPLOMA

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May 2016
The material used for the construction of LED is __________.
Compare the MOSFET and BJT.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2018 Explain the difference between FET and BJT.

May 2017 Differentiate between FET and BJT.

Dec 2016
Distinguish between FET and BJT.

Dec 2011 How BJT is differ from JFET.

Explain the behavior of P-N junction under different bias conditions.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2019 With the help of diagram, explain forward and reverse biased PN junction?

May 2015 Explain Reverse Biasing of PN Junction.
Draw h- model of CE amplifier.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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Dec 2017
Draw the circuit diagram of CE amplifier. Explain briefly.
Describe the importance of load line with suitable diagrams.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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Explain the terms avalanche and zener breakdown.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2015 Explain the zener and avalanche breakdown.

Dec 2011 Explain Zener breakdown & avalanche breakdown.

Give advantages and applications of CMOS.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2017 What is CMOS? Explain its advantages and application.

May 2015 Write a note on CMOS. Also write its advantages and applications.
Derive the relation Ic = αIE + ICBO and explain different terms used in them.

Long Answer 6 Marks May-2019 • PSBTE DIPLOMA

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Write a note on drift and diffusion currents.

Short Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2018 Write a short note on Drift and Diffusion current.

May 2015 Write a note on Drift and Diffusion Current.
What is a filter circuit? Explain the working of LC filter.

Long Answer 6 Marks May-2019 • PSBTE DIPLOMA

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May 2021 Explain the functions of components used in the Filter circuit’s.

May 2019 Explain working of LC Capacitor input filter?

May 2018 Write a short note on Filter circuits.

Dec 2018 Draw and explain Filter Circuits.

May 2015 What is a filter circuit? Explain the working of LC filter.

May 2015 Explain working of Capacitor-Input π Filter.

Dec 2015 Draw and explain Filter Circuits.

Compare CB, CE and CC configurations with at least five parameters.

Long Answer 10 Marks May-2019 • PSBTE DIPLOMA

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May 2021 Compare CC, CB and CE configurations.
With the help of diagram and waveforms, explain working of center tap full wave rectifier.

Long Answer 10 Marks May-2019 • PSBTE DIPLOMA

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

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.

Dec 2011 What do you mean by rectifier? Explain diode as a full wave rectifier.
Explain the divider method of biasing for transistor (CE).

Long Answer 10 Marks May-2019 • PSBTE DIPLOMA

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Thermal Runaway

Short Answer May-2019 • PSBTE DIPLOMA

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Varactor diode (Symbol, operation, application)

Short Answer May-2019 • PSBTE DIPLOMA

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BJT as an amplifier.

Short Answer May-2019 • PSBTE DIPLOMA

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

Long Answer 10 Marks May-2019 • PSBTE DIPLOMA

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May 2015 Explain the construction, working and characteristics of N channel depletion type MOSFET.

Dec 2011 Explain the construction, operation & characteristics of MOSFET in depletion mode.

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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 May-2019 (DIPLOMA 1st-2nd)

Basic electronics May-2019

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