Solved question paper for BEEE Dec-2007 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering Dec-2007
PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-2007
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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What is the effect of temperature on the resistance of the conductor?Short Answer Dec-2007 • 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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May 2008 Derive an expression for resistivity of a conductor material and explain the effect of temperature on it.
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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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Instantaneous current is given by the relation I=20 Sin 314t. Find r.m.s. and average value of a.c.Short Answer Dec-2007 • PTU B-TECH
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Dec 2012 Instantaneous current is given by the relation I = 20 sin 314 t. Find r.m.s. and average value of A.C.
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What is mutual inductance? Give units.Short Answer Dec-2007 • PTU B-TECH
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Dec 2019 What do you mean by mutual-inductance? Explain.
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May 2015 What is Mutual inductance?
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What are linear and no linear circuits?Short Answer Dec-2007 • PTU B-TECH
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What do you mean by slip in induction motor?Short Answer Dec-2007 • PTU B-TECH
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Name sources of errors in moving iron instruments.Short Answer Dec-2007 • PTU B-TECH
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Find resultant of (8+j6) x (-10-j7.5).Short Answer Dec-2007 • PTU B-TECH
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What is gauge factor?Short Answer Dec-2007 • PTU B-TECH
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May 2018 What is gauge factor?
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May 2008 What is gauge factor?
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Draw symbols of BJT and Zener diode.Short Answer Dec-2007 • PTU B-TECH
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May 2018 Draw symbols of BJT and zener diode.
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Convert (1245)10 into Binary number system.Short Answer Dec-2007 • PTU B-TECH
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May 2018 Convert (1245)10 into Binary number system.
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State and explain Kirchoff’s laws.Long Answer Dec-2007 • 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 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 2006 State and explain Kirchoff’s law.
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Find the value of R and current through each branch if current in branch AO is zero.Long Answer Dec-2007 • PTU B-TECH
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Discuss the phasor relation between emf and current when a.c. flows through series L-R circuit.Long Answer Dec-2007 • PTU B-TECH
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May 2008 Discuss the phasor relation between emf and current when a.c. flows through series C-R circuit.
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Two impedances Z1 = 10 + J 15 ohm and Z2 = 6 – j8 ohm are connected in parallel and supply current is 20 amp. What is power dissipation in each branch?Long Answer Dec-2007 • PTU B-TECH
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Derive an expression for emf equation of d.c. generator.Long Answer Dec-2007 • PTU B-TECH
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Dec 2018 Write the EMF equation of a DC generator.
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The efficiency of a 1000 KVA, 110/220 V, 50 Hz single phase transformer is 98.5% at half load at 0.8 power factor leading and 98.8% at full load unit power factor. Find (i) Iron loss (ii) full load copper loss.Long Answer Dec-2007 • PTU B-TECH
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May 2018 The efficiency of a 1000 KVA, 110/220V, 50 HZ single phase transformer is 98.5% at half load at 0.8 power factor leading and 98.8% at full load at unity power factor. Find:\r\n\r\na) Iron loss\r\n\r\nb) Full load copper loss.
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Explain the principle and working of attraction type moving iron instruments and derive expression for deflecting torque.Long Answer Dec-2007 • PTU B-TECH
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May 2008 Explain the principle and working of dynamometer type instruments and derive expression for deflecting torque.
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Explain the principle and working of LVDT.Long Answer Dec-2007 • 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 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 2005 What are uses of LVDT for measurements?
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Explain the action of PNP transistor.Long Answer Dec-2007 • PTU B-TECH
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Dec 2014 Discuss the operation of PNP transistor in CE and CB configuration.
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May 2013 Discuss the operation of PNP Transistor in CE and CC configuration.
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Draw and explain static V-I characteristics of SCR.Long Answer Dec-2007 • PTU B-TECH
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May 2016 Draw V-I characteristic of SCR.
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Dec 2010 Draw the voltage-current characteristics of an SCR.
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Describe pin diagram of 741.Short Answer Dec-2007 • PTU B-TECH
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May 2016 Draw pin diagram of IC 741.
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Dec 2014 Explain PIN diagram, purpose & description for IC 741.
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May 2013 Give the pin diagram and its description for IC 78 XX.
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May 2013 What is IC 741 used for ? Give its pin diagram.
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Dec 2012 Give the pin diagram of IC741.
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Dec 2010 Draw the pin diagram of IC 78XX and explain the connections of each pin.
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Dec 2009 Draw and explain the PIN diagram of IC 7400.
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May 2007 Draw and explain the PIN diagram of IC 7400.
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May 2006 Give the PIN diagram and its description for ICs 74XX series.
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Explain the working of thermocouple thermometer.Long Answer Dec-2007 • 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 2008 Explain the working of thermocouple thermometer.
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May 2007 Write the working principle of thermistor and thermocouple.
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Describe in detail the operation of J-K flip flop with wave form.Long Answer Dec-2007 • 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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May 2008 Describe in detail the operation of R-S 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.
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.