Solved question paper for BEEE May-2016 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering May-2016
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2016
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-
Draw the phasor diagram of electric field: E0 (e–j10πt + e+j10πt). Also write it in rectangular form.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(a) Draw the phasor diagram of Electric field: \\E_{0}(e^{-j\\\\,\\\\omega t}+e^{+j\\\\,\\\\omega t})\\. Also, write it in rectangular form.
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Give the analogous terms of magnetic circuit related to electrical circuit.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(b) Give the analogous terms of magnetic circuit related to an electrical circuit.
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Draw the circuit diagram and waveforms of bridge rectifier.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(c) Draw the circuit diagram and waveforms of a bridge rectifier.
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Write the differences between Bipolar Junction Transistor and Field Effect Transistors.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(d) Write the differences between Bipolar Junction Transistor and Field Effect Transistors.
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Define synchronous speed. How does this speed relate to slip?Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(e) Define synchronous speed. How does this speed relate to slip?
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Convert the (1234)10 number into the hexadecimal number.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(f) Convert the \\(1234)_{10}\\ number into the hexadecimal number.
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Which motor is preferred for speed regulation?Very Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023
1(g) Which motor is preferred for speed regulation?
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Draw the characteristics curve of positive and thermistor.Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023 1(i) Draw the characteristics curve of positive and thermistor.
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A choke coil when connected across a 500 V, 50 Hz supply takes 1 A at 0.8 power factor. What capacitance must be placed in parallel with it so as to make the power factor of the combination unity?Short Answer 2 Marks May-2016 • PTU B-TECH
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May 2023 1(j) A choke coil when connected across a 500V, 50Hz supply takes 1 A at 0.8 power factor. What capacitance must be placed in parallel with it so as to make the power factor of the combination unity?
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A 3-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the synchronous speed.Short Answer May-2016 • 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 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 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-φ induction motor is wound for 4 poles and is supplied from 50 Hz system. Calculate the rotor speed when slip is 4%.Short Answer May-2016 • 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 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 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-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.Short Answer May-2016 • 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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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 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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Determine the currents in the unbalanced bridge circuit of figure. Also determine the p.d. across BD and resistance from B to D.Long Answer 4 Marks May-2016 • PTU B-TECH
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Find the amount of electrical energy expensed in raising the temperature of 45 litres of water by 73°C. To what height could a weight of 5 tonnes be raised with the expenditure of same energy? Assume efficiencies of the heating equipment and lifting equipment to be 90% and 70% respectively.Long Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 Find the amount of electrical energy expensed in raising the temperature of 45 litres of water by 73°C. To what height could a weight of 5 tonnes be raised with the same energy? Assume efficiencies of the heating equipment and lifting equipment to be 90% and 70% respectively.
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Discuss and derive the resonance in series circuit. Give its properties.Long Answer 4 Marks May-2016 • PTU B-TECH
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May 2024 Derive an equation for resonant frequency for a series RLC circuit at resonance.
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May 2023 a) Discuss and derive the resonance in a series circuit. Give its properties.
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Dec 2018 Derive the relation for resonance condition in a series RLC circuit.
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Dec 2016 Explain resonance in R-L-C series circuit, derive expression for resonance frequency and also use graphical method to explain resonance.
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May 2011 Derive the expression for resonant frequency and Q factor for a series resonant RLC circuit.
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May 2009 Discuss various characteristics of a series RLC resonant circuit. Derive mathematical expressions in support of your discussion.
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Dec 2006 Derive the conditions of resonance in a.c. RLC series circuits.
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A voltage v = 100 sin 314 t is applied to a circuit consisting of a 25 Ω resistor and an 80 μF capacitor in series. Determine: i) an expression for the value of the current flowing at any instant, ii) the power consumed, iii) the p.d. across the capacitor at the instant when current is one half of its maximum value.Long Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 b) A voltage v = 100 sin 314 t is applied to a circuit consisting of a 25Ω resistor and an 80µF capacitor in series. Determine: i) An expression for the value of the current flowing at any instant.
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Establish the relation for emf induced in the secondary winding of transformer. What are types of losses occur in transformers? Establish the condition of maximum efficiency of transformer.Long Answer 8 Marks May-2016 • PTU B-TECH
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May 2023 Establish the relation for emf induced in the secondary winding of transformer. What are types of losses occur in transformers? Establish the condition of maximum efficiency of transformer.
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Discuss the types of D.C. motors. Compare their torque, speed characteristics and applications.Long Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 Discuss the types of D.C. motors. Compare their Torque, speed characteristics and applications.
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A 250 V shunt motor with armature resistance of 0.5 ohm runs at 600 rpm on full load and takes an armature current 20 A. If the resistance of 1.0 ohm is placed in the armature circuit, find the speed at i) full-load torque ii) half full-load torque.Long Answer 4 Marks May-2016 • PTU B-TECH
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Explain the principle of working of a digital multimeter.Short Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 a) Explain the principle of working of a digital multimeter.
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What is LVDT? Give its principle of working, applications, advantages and disadvantages.Short Answer 4 Marks May-2016 • 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 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 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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Give input- and output-characteristics curves of Common Emitter configuration of transistor. What is its current gain, voltage gain and power gain?Short Answer 4 Marks May-2016 • PTU B-TECH
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How can you make a voltage regulator using Zener diode? Explain its operation.Short Answer 4 Marks May-2016 • PTU B-TECH
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May 2019 What is Zener Diode? Explain its use as voltage regulator.
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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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May 2012 Explain Zener diode and any one of its application.
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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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Distinguish between latch and flip flop. Explain the working of cross coupled NAND gate as flip flop. Draw the truth table of RS, JK, D and T flip flops. Convert the RS flip flop into JK flip flop. How edge triggered flip flop different from level triggered? Give its advantage.Long Answer 8 Marks May-2016 • PTU B-TECH
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May 2023 Distinguish between latch and flip flop. Explain the working of cross coupled NAND gate as flip flop. Draw the truth table of RS, JK, D and T flip flops. Convert the RS flip flop into JK flip flop. How edge triggered flip flop different from level triggered? Give its advantage.
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Write detailed short note on Universal Gates.Short Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 Write detailed short note on the following: a) Universal Gates
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Write detailed short note on Field Effect transistors.Short Answer 4 Marks May-2016 • PTU B-TECH
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May 2023 Write detailed short note on the following: b) Field Effect transistors
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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.