Solved question paper for BEEE Dec-2012 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering Dec-2012
PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-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
Solved-
What will happen if the length of a conductor is doubled and its area of cross section is also doubled?MCQ 2 Marks Dec-2012 • PTU B-TECH
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Give concept of work, power and energy in brief.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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Dec 2006 Give concept of Work & Energy.
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Instantaneous current is given by the relation I = 20 sin 314 t. Find r.m.s. and average value of A.C.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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Dec 2007 Instantaneous current is given by the relation I=20 Sin 314t. Find r.m.s. and average value of a.c.
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What is the theory of shunt?Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2013 What is the theory of shunt?
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May 2006 What is the theory of shunt?
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State similarities of electric and magnetic circuits.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2018 What are the similarities in magnetic and electric circuits?
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Dec 2014 Discuss analogy in Electrical and Magnetic circuits.
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May 2010 Give an analogy between electric circuit and magnetic circuit.
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Dec 2006 State similarities of electric and magnetic circuits.
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Why cannot a 3-phase induction motor run at synchronous speed?Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2010 Why cannot a 3-phase induction motor run at synchronous speed?
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Dec 2005 Why cannot a 3-phase induction motor run at synchronous speed?
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Give applications of strain gauge.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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Dec 2018 Discuss the working principle and applications of strain gauge and digital multimeter.
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Dec 2016 Explain principle of strain gauge and its application.
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May 2015 Explain construction & working of Strain Guage.
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May 2014 What is strain gauge? What is its operating principle?
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May 2013 What is Strain Gauge? Discuss its applications.
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May 2013 Explain the working of an electrical strain gauge.
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May 2011 Describe the construction, working principle and limitations of bonded type metallic strain gauges.
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May 2008 Explain principle and operation of unbonded metal strain gauge and bonded resistance wire strain gauge.
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Draw symbolic representation of BJT and FET.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2019 Draw the symbolic representation of BJT and FET.
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Dec 2009 Draw the symbolic representation of BJT and FET.
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May 2007 Draw the symbolic representation of BJT and FET.
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Convert (4287)10 into hexadecimal number system.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2008 Convert (4287)10 into hexadecimal number system.
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Draw symbols of EX-OR and NAND gate.Short Answer 2 Marks Dec-2012 • PTU B-TECH
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May 2018 Draw symbols of EX-NOR and AND gate.
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May 2008 Draw symbols of NAND gate and NOR gate.
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State and explain Kirchoff's laws.Long Answer Dec-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 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 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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Illustrate Ohm’s law.Short Answer Dec-2012 • PTU B-TECH
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A wire of 100 Ω resistance is cut into how many equal pieces, so that when they are connected in parallel resultant is 1 Ω?Short Answer Dec-2012 • PTU B-TECH
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May 2008 A wire of 100 ohm resistance is cut into how many equal pieces so that when they are connected in parallel resultant is 1 ohm.
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Derive an expression for emf equation of single phase transformer.Long Answer Dec-2012 • PTU B-TECH
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Dec 2018 Derive the EMF equation of a single-phase transformer from basic rules.
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Dec 2012 Derive the EMF equation of a transformer.
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May 2008 Derive an expression for emf equation of single phase transformer.
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An a.c. has frequency 50 Hz and rms current 25 Amp. Write equation of instantaneous current and find current at time 0.0025 seconds and time at which current is 14.14 amp.Comprehension Dec-2012 • PTU B-TECH
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Dec 2023
An ac has a frequency 50 Hz and rms current 25 amp. Write equation of instantaneous current and find
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May 2008 An a.c. has frequency 50 Hz and r.m.s current 25 amp. Write equation of instantaneous current and find (i) current at time 0.0025 second (ii) time at which current is 14.14 amp.
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A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the synchronous speed.Short Answer Dec-2012 • PTU B-TECH
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the synchronous speed.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor speed when slip is 4%.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor frequency when rotor runs at 600 rpm.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the speed of the motor when slip is 0.04.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the rotor when motor runs at 60 rpm.
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Dec 2005 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate (i) the synchronous speed (ii) speed of the motor when slip is 0.04 and (iii) the rotor when the motor runs at 60 rpm.
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A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the speed of the motor when slip is 0.04.Short Answer Dec-2012 • PTU B-TECH
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the synchronous speed.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor speed when slip is 4%.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor frequency when rotor runs at 600 rpm.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the synchronous speed.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the rotor when motor runs at 60 rpm.
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Dec 2005 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate (i) the synchronous speed (ii) speed of the motor when slip is 0.04 and (iii) the rotor when the motor runs at 60 rpm.
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A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the rotor when motor runs at 60 rpm.Short Answer Dec-2012 • PTU B-TECH
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the synchronous speed.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor speed when slip is 4%.
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May 2016 A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor frequency when rotor runs at 600 rpm.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the synchronous speed.
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Dec 2012 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate the speed of the motor when slip is 0.04.
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Dec 2005 A 3 phase induction motor is wound for 4 poles and is supplied from 3 phase, 50 Hz system. Calculate (i) the synchronous speed (ii) speed of the motor when slip is 0.04 and (iii) the rotor when the motor runs at 60 rpm.
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What is LVDT? Discuss its principle and applications with neat diagram.Long Answer Dec-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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May 2012 Explain in detail operation of LVDT and list its field of application.
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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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Discuss working principle of a P-N junction diode. Also show its characteristics and mention its important applications.Long Answer Dec-2012 • PTU B-TECH
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Dec 2017 Explain the operation of p-n junction diode in the forward and reverse biased conditions. Explain characteristics of p-n junction diode in forward and reverse region.
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May 2015 Explain principle of operation & characteristics of a PN junction diode.
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May 2010 What is a P-N junction and how is it formed? Explain V-I characteristics of a P-N junction diode.
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Dec 2005 Discuss working principle of a P-N junction diode. Also show its characteristics and mention some of its applications.
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A germanium diode has a saturation current of 10–8 A. Calculate the junction current for a forward bias of 0.4 volts and 300°K.Short Answer Dec-2012 • PTU B-TECH
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Dec 2005 A germanium diode has a saturation current of 10^-8 A. Calculate for the junction current for a forward bias of 0.4 V and 300°K.
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Describe the operation of RS flip flop with suitable wave form.Long Answer Dec-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 J-K flip flop.
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May 2012 Explain in detail R-S flip flop.
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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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What are universal gates and why are they called so? How can OR and XOR gates be realized using NAND gates only?Long Answer Dec-2012 • PTU B-TECH
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May 2018 What are universal gates and why they are called so? How can OR and XOR gates be realized using NOR gates only.
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Dec 2006 What are universe gates and why are they called so? How can OR and XOR gates be realized using NAND gates only?
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Frequently Asked Questions
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.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.