Solved question paper for BEEE May-2008 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering May-2008
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2008
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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Find the temperature at which resistance doubles to that at 0°C.Short Answer 2 Marks May-2008 • PTU B-TECH
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What is admittance? Give units.Short Answer 2 Marks May-2008 • PTU B-TECH
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Draw symbols of NAND gate and NOR gate.Short Answer 2 Marks May-2008 • PTU B-TECH
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May 2018 Draw symbols of EX-NOR and AND gate.
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Dec 2012 Draw symbols of EX-OR and NAND gate.
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What is gauge factor?Short Answer 2 Marks May-2008 • PTU B-TECH
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May 2018 What is gauge factor?
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Dec 2007 What is gauge factor?
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The synchronous speed of an induction motor is 1500 r.p.m. and rotor speed is 1440 r.p.m. Find slip.Short Answer 2 Marks May-2008 • PTU B-TECH
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May 2018 The synchronous speed of induction motor is 1500 r.p.m and rotor speed is 1440 r.p.m. Find slip.
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What is shunt? Give uses.Short Answer 2 Marks May-2008 • PTU B-TECH
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Give advantages and disadvantages of PMMC instruments.Short Answer 2 Marks May-2008 • PTU B-TECH
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What is voltmeter sensitivity?Short Answer 2 Marks May-2008 • PTU B-TECH
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Write equivalent polar form of vector 3 + j4 and illustrate on phasor diagram.Short Answer 2 Marks May-2008 • PTU B-TECH
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Convert (4287)10 into hexadecimal number system.Short Answer 2 Marks May-2008 • PTU B-TECH
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Dec 2012 Convert (4287)10 into hexadecimal number system.
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Derive an expression for resistivity of a conductor material and explain the effect of temperature on it.Long Answer 4 Marks May-2008 • PTU B-TECH
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May 2018 Derive an expression for resistivity of a conductor material and explain the effect of temperature on it.
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Dec 2016 On what factors does the resistance of a conductor depend?
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Dec 2012 Derive the relation for effect of temperature on the resistance of a conductor.
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Dec 2010 Define temperature coefficient of resistance. Why is its knowledge important?
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May 2009 How does the resistance of metals and semiconductors vary with temperature? What is the significance of a negative temperature coefficient?
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Dec 2007 What is the effect of temperature on the resistance of the conductor?
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May 2006 What is the effect of temperature on resistivity?
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Dec 2005 Discuss the temperature dependence of resistance.
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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.Short Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2012 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?
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Discuss the phasor relation between emf and current when a.c. flows through series C-R circuit.Long Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2007 Discuss the phasor relation between emf and current when a.c. flows through series L-R circuit.
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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.Long Answer 4 Marks May-2008 • 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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Dec 2012 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.
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Derive an expression for emf equation of single phase transformer.Long Answer 4 Marks May-2008 • 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 an expression for emf equation of single phase transformer.
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Dec 2012 Derive the EMF equation of a transformer.
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A 60 kW, 250 V shunt motor takes 16 A when running light at 1440 rpm. The resistance of armature and field windings are 0.2 ohm and 125 ohm respectively. (i) Find the efficiency of the motor when taking 152 A. (ii) Also estimate the efficiency when working as generator and delivering 152 A at 250 V.Long Answer 8 Marks May-2008 • PTU B-TECH
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Explain the principle and working of dynamometer type instruments and derive expression for deflecting torque.Long Answer 8 Marks May-2008 • PTU B-TECH
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Dec 2007 Explain the principle and working of attraction type moving iron instruments and derive expression for deflecting torque.
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Draw and explain input and output characteristic of NPN transistor.Long Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2018 Draw the basic characteristics of a BJT.
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Dec 2012 Draw the basic characteristics of a BJT.
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Explain working of PN junction diode as full wave rectifier.Long Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2023 Explain working of a Full Wave Bridge Rectifier using suitable waveforms.
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Dec 2018 Explain the operation of a single-phase diode bridge rectifier with the help of circuit diagram and waveforms.
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May 2013 Explain the working of a full wave rectifier.
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Dec 2012 Explain the operation of a single phase diode bridge rectifier with the help of circuit diagram and waveforms.
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Dec 2010 Explain the working of a full bridge rectifier.
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Dec 2008 Discuss the working of a full wave rectifier.
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Describe pin diagram of 555 IC.Short Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2016 Give the pin diagram of IC555 and explain its various applications.
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Dec 2014 Explain PIN diagram, purpose & description for IC 555.
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May 2012 Draw pin diagram of IC 555.
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May 2011 Describe the pin configuration and internal block description of IC 555.
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Dec 2010 What is IC 555 used for? Give its pin diagram.
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Dec 2008 Give pin configuration of IC 555.
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Dec 2006 Draw and label the pin diagrams of IC 555.
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Explain the working of thermocouple thermometer.Long Answer 4 Marks May-2008 • PTU B-TECH
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Dec 2023 Discuss the applications of thermistor.
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May 2019 Write the working principle of Thermistor & Thermocouple.
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Dec 2019 Explain its principle of operation of thermistor.
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Dec 2018 Explain the working principle of a thermistor.
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Dec 2017 Explain the Resistance-capacitor characteristics of the thermistor.
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Dec 2016 Explain the working principle of a capacitive transducer and a thermocouple with their specific applications.
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Dec 2014 Explain Thermistor.
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Dec 2014 Explain Thermocouple.
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May 2013 What are thermistors ? Give some applications of thermistors.
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Dec 2009 Write the working principle of thermistor and thermocouple.
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May 2007 Write the working principle of thermistor and thermocouple.
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Dec 2007 Explain the working of thermocouple thermometer.
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Describe in detail the operation of R-S flip flop with wave form.Long Answer 8 Marks May-2008 • 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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Dec 2012 Describe the operation of RS flip flop with suitable 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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Explain principle and operation of unbonded metal strain gauge and bonded resistance wire strain gauge.Long Answer 8 Marks May-2008 • 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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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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01 Where can I find basic electrical and electronics engineering previous year question papers for Bachelor of Technology, 1st-2nd semester?
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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?
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