Solved question paper for BEEE May-2010 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering May-2010
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2010
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 wire of length 1 m has a resistance of 2Ω. Obtain its resistance if specific resistance is doubled, diameter is doubled and length is made three times of the first.Short Answer 2 Marks May-2010 • PTU B-TECH
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How much heat does a 2 kW electric heater produce when it is operated for 30 minutes?Short Answer 2 Marks May-2010 • PTU B-TECH
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What techniques are used to get control for torque in an indicating instrument? Discuss.Short Answer 2 Marks May-2010 • PTU B-TECH
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A 50 Hz, 4-pole, 3-phase induction motor has rotor current frequency of 2 Hz. Obtain slip and speed of the motor.Short Answer 2 Marks May-2010 • PTU B-TECH
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Convert the fractional decimal number (0.625)10 into binary number.Short Answer 2 Marks May-2010 • PTU B-TECH
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Dec 2005 Convert the fractional decimal number (0.625)10 into a binary number.
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Why cannot a 3-phase induction motor run at synchronous speed?Short Answer 2 Marks May-2010 • PTU B-TECH
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Dec 2012 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 an analogy between electric circuit and magnetic circuit.Short Answer 2 Marks May-2010 • 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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Dec 2012 State similarities of electric and magnetic circuits.
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Dec 2006 State similarities of electric and magnetic circuits.
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List out various losses that take place in transformer. Which loss is independent of load?Short Answer 2 Marks May-2010 • PTU B-TECH
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May 2013 What are the various losses that take place in a transformer?
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Do wave shapes other than sine wave have effective values? Explain.Short Answer 2 Marks May-2010 • PTU B-TECH
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Discuss why the phase spread of three-phase winding is 60° and not 120°.Short Answer 2 Marks May-2010 • PTU B-TECH
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Define rms, average and form factor of a sinusoidal alternating voltage.Long Answer May-2010 • PTU B-TECH
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May 2018 Define rms, average and form factor of a sinusoidal alternating voltage.
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A resistance of 12Ω, inductance of 0.1 H and a capacitance of 100μF are connected in series across ac 220V, 100Hz supply. Calculate the current and its power factor, power consumed and phase angle mentioning whether it is leading or lagging.Long Answer May-2010 • PTU B-TECH
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What is meant by resonant frequency?Short Answer May-2010 • PTU B-TECH
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Dec 2012 What is resonance?
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For a series R-L-C circuit the inductor is variable. Source voltage is 200√2 sin 100πt. Maximum current obtainable by varying the inductance is 0.314 A. Voltage across the capacitor then is 300 V. Find the circuit element values.Long Answer May-2010 • PTU B-TECH
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Give a clear explanation of the production of torque in 3-phase induction motor.Long Answer May-2010 • PTU B-TECH
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May 2019 Explain the working principle & construction of three phase induction motor.
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May 2018 Discuss principle of operation of a 3-phase induction motor. What is frequency of rotor currents? Discuss.
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May 2015 Explain principle, construction and working of 3 phase induction motor with suitable sketches.
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May 2014 Explain the principle of working of three-phase induction motor.
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May 2011 Describe the principle, construction and working of 3-phase induction motor with neat diagrams.
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Dec 2009 Explain the working principle and construction of three phase induction motor.
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May 2007 Explain the working principle and construction of three phase induction motor.
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Dec 2005 Discuss principle of operation of a 3-phase induction motor. What is frequency of rotor current? Discuss.
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Discuss working principle of moving iron voltmeter. What are main difference between moving coil and moving iron instruments? Discuss.Long Answer May-2010 • PTU B-TECH
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Define transducers. How are these classified? Give four examples of active transducers.Long Answer May-2010 • PTU B-TECH
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May 2018 Define transducer. State its classifications with 4 examples of passive type transduction.
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Dec 2005 Define transducer. State its classifications with 4 examples of passive type transduction.
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With the help of functional block discuss working of an IC 555 timer.Long Answer May-2010 • PTU B-TECH
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How is IC 555 used as frequency divider? Explain.Long Answer May-2010 • PTU B-TECH
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What is T Flip flop? Give its symbol and draw wave form of T flip-flop.Long Answer May-2010 • PTU B-TECH
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Dec 2005 What is T-flip flop? Give its symbol and draw wave from the flip flop.
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What are flip-flops? How are inverters used to represent an S-R flip flop? Discuss.Long Answer May-2010 • PTU B-TECH
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What is Bipolar junction transistor (BJT). List applications of BJT.Long Answer May-2010 • PTU B-TECH
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What is a P-N junction and how is it formed? Explain V-I characteristics of a P-N junction diode.Long Answer May-2010 • 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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Dec 2012 Discuss working principle of a P-N junction diode. Also show its characteristics and mention its important applications.
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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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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.