Solved question paper for BEEE May-2012 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering May-2012
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2012
basic electrical and electronics engineering previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for basic electrical and electronics engineering, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for basic electrical and electronics engineering question bank with answers while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
BTEE 101 Basic Electrical and Electronics Engineering
Part A (Electrical Engineering)
1. Direct Current (DC) Circuits: Circuit elements and connected terminology, Kirchoff‟s Laws- Statement and Illustrations, Method of solving circuits by Kirchoff‟s law, Star-Delta Conversion, Computation of resistance at constant temperature, resistance at different temperatures, Ohm‟s Law- Statement, Illustration and Limitation, Units- Work, Power and Energy (Electrical, Thermal and Mechanical). DC Transients for RL and RC series circuits (7)
2. Alternating Current (AC) Fundamentals: Generation of alternating electro-motive force EMF, Concept of 3-phase EMF Generation, Peak, Root Mean Square and Average value of alternating current, Phasor representation of alternating quantities, Analysis of AC Circuit Representation of Alternating Quantities in Rectangular and polar forms. Introduction of Resistive, Inductive & Capacitive circuits and their series and parallel combinations. Concept of resonance in series and parallel circuits, Analysis of balanced 03 phase system with star-delta connections. (7)
3. Magnetic Circuits and Transformer: Comparison between magnetic and electric circuits, Magnetic effects of electric current, Current carrying conductor in magnetic field, Law of Electromagnetic Induction and its law, Self Inductance, Mutual Inductance, Coupling Coefficient between two magnetically coupled circuits. Single Phase Transformer: Construction, Working principle, Efficiency, Voltage regulation and applications.(7)
4. Rotating Electrical Machines: D.C. machines (motors and generators), Three phase Induction motor, Synchronous machines (motors and generators): construction, working principle, classification and applications. (7)
Part B (Electronics Engineering)
5. Transducers: Introduction, working and application of LVDT, Strain Gauge and Thermistor. Introduction and application of Digital Multimeter. (7)
6. Semiconductor Devices: Principle of operation characteristic and application of PN Junction Diode, Rectifiers, Zener Diode, Principle of operation characteristic and application of Bipolar Junction Transistor, Principle of operation and characteristic Field Effect Transistor, Regulated Power Supply. (7)
7. Digital Electronics: Binary, Octal and Hexadecimal number System & its arithmetic operations, Logic gates, Introduction of R-S, J-K, D and T Flip Flops & its truth tables. (6)
Solved Questions
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State Ohm's law in reference to DC circuits.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Dec 2018 State and explain Kirchhoff\'s voltage law.
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May 2017 Explain Kirchoff’s Laws- statement and illustration.
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Dec 2016 State and explain Kirchhoff’s voltage Law for DC linear circuits.
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Dec 2016 State Kirchoff’s current law.
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May 2015 Explain Kirchhoff’s Laws-statement and illustration.
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May 2012 State Kirchhoff\'s Current Law for a linear bilateral DC circuit.
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May 2012 State Kirchhoff’s laws for a linear bilateral DC circuits.
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Dec 2012 State and explain Kirchoff\'s laws.
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Dec 2012 State Kirchoff’s voltage law.
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May 2011 State and explain Kirchhoff\'s laws.
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May 2009 State and explain Kirchoff\'s laws.
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Dec 2008 State and explain Kirchhoff\'s laws.
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Dec 2007 State and explain Kirchoff’s laws.
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Dec 2006 State and explain Kirchoff’s law.
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State Kirchhoff's Current Law for a linear bilateral DC circuit.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Dec 2018 State and explain Kirchhoff\'s voltage law.
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May 2017 Explain Kirchoff’s Laws- statement and illustration.
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Dec 2016 State and explain Kirchhoff’s voltage Law for DC linear circuits.
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Dec 2016 State Kirchoff’s current law.
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May 2015 Explain Kirchhoff’s Laws-statement and illustration.
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May 2012 State Ohm\'s law in reference to DC circuits.
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May 2012 State Kirchhoff’s laws for a linear bilateral DC circuits.
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Dec 2012 State and explain Kirchoff\'s laws.
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Dec 2012 State Kirchoff’s voltage law.
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May 2011 State and explain Kirchhoff\'s laws.
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May 2009 State and explain Kirchoff\'s laws.
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Dec 2008 State and explain Kirchhoff\'s laws.
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Dec 2007 State and explain Kirchoff’s laws.
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Dec 2006 State and explain Kirchoff’s law.
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Draw phasor diagram of a series R-L-C A.C. circuit.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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May 2019 Draw & explain the phasor diagram of RLC series circuits and give the condition for resonance in this circuit.
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Dec 2009 Draw and explain the phasor diagram of RLC series circuit and give the condition for resonance in this circuit.
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May 2007 Draw and explain the phasor diagram of RLC series circuit and give the condition for resonance in this circuit.
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Dec 2005 Discuss how you analyze series R-C circuit. Draw its phasor diagram.
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Explain the term form factor of sine wave and square wave.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Prove that power on both primary as well as secondary remains same.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Draw circuit diagram of long-shunted DC motor and write its V-I equations.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Explain in brief the term transducer.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Draw and explain V-I characteristic of PN junction diode.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Dec 2016 Draw and explain characteristic of Zener diode.
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May 2012 Draw and explain characteristic of Zener-diode.
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Dec 2012 Draw the V-I characteristics of a PN junction diode and a zener diode.
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Draw circuit diagram of field effect transistor.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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May 2013 Draw a sketch showing parts of an n-channel field effect transistor.
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Explain any truth table for NAND operation.Very Short Answer 2 Marks May-2012 • PTU B-TECH
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Derive an expression for resistance at any temperature, if resistance at t = 0° is not known.Long Answer 8 Marks May-2012 • PTU B-TECH
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May 2012 Derive an expression for value of α at any temperature other than t = 0°, and write an expression for resistance at any temperature if resistance at t = 0°, is not known.
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A 25 kVA loss-less transformer has 500 turns on the primary and 40 turns on the secondary winding. The primary is connected to 3000 V, 50 Hz mains. Determine: (i) primary and secondary currents at full load; (ii) the secondary e.m.f.; and (iii) the maximum flux in the core. No-load current can be neglected.Long Answer 8 Marks May-2012 • PTU B-TECH
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A voltage, e(t)=150sin(2πft), 50 Hz, is applied to a series circuit consisting of 10 Ω resistance and 0.0318 henry inductance. Determine: (i) expression for current i(t); (ii) phase angle between voltage and current; (iii) power factor; (iv) active power consumed; (v) maximum value pulsating energy.Long Answer 8 Marks May-2012 • PTU B-TECH
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May 2012 A voltage e(t)=100sin314t is applied to series circuit consisting of 10 Ω resistance, 0.0318 henry inductance, and a capacitor of 63.6 µF. Determine (i) expression for current i(t), (ii) phase angle between voltage and current, (iii) power factor, (iv) active power consumed, (v) maximum value pulsating energy.
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Explain characteristics of DC shunt motor and its speed control methods.Long Answer 8 Marks May-2012 • PTU B-TECH
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Explain in detail operation of LVDT and list its field of application.Long Answer 8 Marks May-2012 • PTU B-TECH
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May 2023 b) What is LVDT? Give its principle of working, applications, advantages and disadvantages.
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Dec 2023 What do you understand by LVDT? Explain the working of LVDT with the suitable neat sketch.
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Dec 2020 Explain construction & working of LVDT in detail.
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May 2019 What is LVDT? Explain its use for the measurement of displacement.
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Dec 2019 Explain the principle of operation, construction and applications of LVDT.
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May 2017 Explain construction and working of LVDT in detail.
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May 2016 What is LVDT? Give its principle of working, applications, advantages and disadvantages.
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May 2014 What is full form of LVDT? Give its two applications.
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Dec 2014 Discuss working of LVDT and explain it with any one application of LVDT.
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Dec 2012 What is LVDT? Discuss its principle and applications with neat diagram.
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Dec 2012 Explain the working principle of LVDT.
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Dec 2009 What is LVDT? Explain its use for the measurement of displacement.
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Dec 2008 Discuss construction, working principle, merits and demerits of LVDT.
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May 2007 What is LVDT? Explain its use for the measurement of displacement.
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Dec 2007 Explain the principle and working of LVDT.
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Dec 2005 What are uses of LVDT for measurements?
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A full wave centre-tap rectifier uses two crystal diodes each having a forward resistance of 25 Ω. The rms value of secondary voltage fed between centre tap to each end of secondary is 48 V and the load resistance is 1 kΩ. Determine: (i) d.c. output voltage; (ii) d.c. output power; (iii) rectification efficiency; (iv) peak inverse voltage.Long Answer 8 Marks May-2012 • PTU B-TECH
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Explain Zener diode and any one of its application.Long Answer 8 Marks May-2012 • PTU B-TECH
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May 2019 What is Zener Diode? Explain its use as voltage regulator.
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May 2016 How can you make a voltage regulator using Zener diode? Explain its operation.
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May 2015 Explain Zener diode operation.
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May 2015 What is a Zener diode? Explain the working of a Zener diode as a voltage regulator.
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May 2014 What is the main application of Zener diode?
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May 2013 What is the function of Zener diode?
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Dec 2011 What is the difference between crustal diode and zener diode?
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Dec 2009 What is Zener diode? Explain its use as voltage regulator.
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May 2007 What is Zener diode? Explain its use as voltage regulator.
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Explain in detail J-K flip flop.Long Answer 8 Marks May-2012 • PTU B-TECH
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May 2018 Describe the operation of J-K flip flop with suitable wave-form
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May 2012 Explain in detail R-S flip flop.
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Dec 2012 Describe the operation of RS flip flop with suitable wave form.
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May 2008 Describe in detail the operation of R-S flip flop with wave form.
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Dec 2007 Describe in detail the operation of J-K flip flop with wave form.
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May 2006 Explain the working of R.S. flip flop.
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Answers about this subject, solved papers, and preparation.
01 Where can I find basic electrical and electronics engineering previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists basic electrical and electronics engineering question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year basic electrical and electronics engineering papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does basic electrical and electronics engineering usually cover?
The question papers here relate to the official basic electrical and electronics engineering syllabus set by the university for this course and semester.
05 Does this page include a basic electrical and electronics engineering question bank with answers or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
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