Solved question paper for BEEE May-2014 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering May-2014
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2014
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-
A coil of stranded copper wire having a resistance of 12 ohm at 25°C is embedded in the core of a large transformer supplied at 230 V. After the transformer has been in service for several hours, the resistance of the coil is found to be 13.4 ohms. What is the temperature of the core? Also find the power rating of the resistance. Assume temperature coefficient of wire as 0.00125/°C.Short Answer 2 Marks May-2014 • PTU B-TECH
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A series RL circuit with R = 30 ohm and L = 15 H is supplied from a constant voltage source of 60 V and is switched on at t = 0. Determine the current in the circuit, voltage across resistor and voltage across inductor.Short Answer 2 Marks May-2014 • PTU B-TECH
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A voltage v(t) = 420 sin(377t + 10°) is applied to a circuit. It causes a steady state current to flow which is described by i(t) = 14.14 sin(377t - 20°). Determine the variation of instantaneous power. Also find the average power delivered to circuit and power factor.Short Answer 2 Marks May-2014 • PTU B-TECH
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Dec 2011 A voltage v(t) = 170 sin(377 t +10º) is applied to a RL series circuit with R = 2 ohm and L = 2.5mH. Determine the variation of instantaneous power. Also find the average power delivered to circuit and power factor.
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What is full form of LVDT? Give its two applications.Very Short Answer 2 Marks May-2014 • 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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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 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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Sketch circuit symbol of PNP transistor, Zener diode, field effect transistor, and crystal diode.Very Short Answer 2 Marks May-2014 • PTU B-TECH
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Do the following conversions: (101010011.1101)2 to decimal and (1684)16 to binary.Short Answer 2 Marks May-2014 • PTU B-TECH
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Draw the schematic of JK flip flop using universal logic gates.Short Answer 2 Marks May-2014 • PTU B-TECH
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Dec 2011 Draw the schematic of D type flip flop using universal logic gates?
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What are two different types of three phase induction motors? Give an application of each type.Short Answer 2 Marks May-2014 • PTU B-TECH
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Name the machine used at major power generating stations in India.Very Short Answer 2 Marks May-2014 • PTU B-TECH
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Define current gain of common emitter configuration of bipolar junction transistor. What is the approximate range of current gain?Short Answer 2 Marks May-2014 • PTU B-TECH
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Dec 2011 Define current gain of common emitter configuration of bipolar junction transistor. What is the approximate range of current gain?
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Determine the current delivered by the source in the circuit shown in Fig. 1.Short Answer 8 Marks May-2014 • PTU B-TECH
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Show that emf induced in transformer winding is proportional to flux present in core, number of turns and frequency of source applied.Long Answer 8 Marks May-2014 • PTU B-TECH
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Sketch the labeled constructional diagram of DC generator. Clearly mention the material used for each part.Long Answer 8 Marks May-2014 • PTU B-TECH
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Show that for star connections of three phase circuit, the line voltage is equal to 1.732 times the phase voltage whereas line current is equal to phase current. Also draw phasor diagram to support your answer.Long Answer 8 Marks May-2014 • PTU B-TECH
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Dec 2011 Show that for delta connections of three phase circuit, the line voltage is equal to the phase voltage whereas line current is equal to 1.732 times phase current. Also draw phasor diagram to support your answer.
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What is strain gauge? What is its operating principle?Short Answer 8 Marks May-2014 • 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 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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Dec 2012 Give applications of 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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Discuss the operation of bridge configuration of full wave rectifier feeding resistive load. Obtain the average value and rms value of output voltage. Sketch the waveforms of load voltage and voltage across one diode.Long Answer 8 Marks May-2014 • PTU B-TECH
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Dec 2011 Discuss the operation of mid point configuration of full wave rectifier feeding resistive load. Obtain the average value and rms value of output voltage. Sketch the waveforms of load voltage, voltage across one diode?
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Draw functional diagram of regulated power supply. What are the considerations of regulated power supply? Give its applications.Long Answer 8 Marks May-2014 • PTU B-TECH
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Draw schematic of SR flip flop and D type flip flop. Write their truth tables. Under what conditions is SR flip flop unstable?Long Answer 8 Marks May-2014 • PTU B-TECH
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Dec 2011 Draw schematic of JK Flip flop and T type flip flop. Write their truth tables. Under what conditions JK flip flop is better than SR 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.
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.