Solved question paper for BEE May-2025 (B-TECH 1st-2nd)
Solved Question Paper
Basic Electrical Engineering May-2025
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2025
Basic Electrical 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 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 engineering with answers pdf 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.
Solved Questions
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a. What are the various losses in a single-phase transformer?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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Dec 2023 Identify and explain the different losses in a transformer.
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May 2019 What are various losses in transformer?
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b. State and explain the Kirchhoff's current law.Very Short Answer 2 Marks May-2025 • PTU B-TECH
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Dec 2024 Discuss Kirchoff\'s voltage law.
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Dec 2024 Describe and state the laws of Kirchhoff.
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Dec 2023 State and explain the Kirchoffls Laws.
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c. What is the function of a contactor in electric circuits?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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May 2025 Write short notes on: a) What is the function of a contactor?
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d. What are voltage and current relation in star and delta connections?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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May 2019 Derive the relationship between voltage and current in star and delta connections.
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e. Draw the Thevenin's equivalent circuit. What is Thevenin's impedance?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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f. Explain the working principle of a single-phase induction motor.Very Short Answer 2 Marks May-2025 • PTU B-TECH
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May 2025 Write short notes on: g) Explain the working principle of a single-phase induction motor.
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May 2019 Discuss in brief construction and principle of single phas e induction motor. Also explain the losses.
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g. What are the various types of electrical loads?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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h. What is the need of power factor improvement in the electric systems? How is it carried out?Very Short Answer 2 Marks May-2025 • PTU B-TECH
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i. Draw the electric circuit of an auto-transformer.Very Short Answer 2 Marks May-2025 • PTU B-TECH
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j. Draw the power triangle. Explain it.Very Short Answer 2 Marks May-2025 • PTU B-TECH
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Draw and explain the electric circuit of a miniature circuit breaker.Long Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 Draw and explain the electric circuit schematic of an earth leakage circuit breaker.
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A coil takes a current of 6 A, when connected to a 24 V DC supply. To obtain the same current with a 50 Hz AC supply, the voltage required was 30 V. Calculate : a) The inductance of the coil.Long Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 A coil takes a current of 6 A, when connected to a 24 V DC supply. To obtain the same current with a 50 Hz AC supply, the voltage required was 30 V. Calculate : b) The power factor of the coil.
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A coil takes a current of 6 A, when connected to a 24 V DC supply. To obtain the same current with a 50 Hz AC supply, the voltage required was 30 V. Calculate : b) The power factor of the coil.Long Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 A coil takes a current of 6 A, when connected to a 24 V DC supply. To obtain the same current with a 50 Hz AC supply, the voltage required was 30 V. Calculate : a) The inductance of the coil.
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The power input to a 3-phase induction motor is 80 kW. The stator losses total 1.5 kW. Find the total mechanical power developed, if the motor is running with a slip of 4%.Long Answer 8 Marks May-2025 • PTU B-TECH
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State and explain the Superposition theorem, with an example.Long Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 State and prove the Superposition theorem. Give example.
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Derive time-domain voltage-current relations for first order RC circuit.Long Answer 8 Marks May-2025 • PTU B-TECH
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A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : a) Primary and secondary current on full loadLong Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : b) The maximum value of flux
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : c) The number of primary turns.
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A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : b) The maximum value of fluxLong Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : a) Primary and secondary current on full load
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : c) The number of primary turns.
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A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : c) The number of primary turns.Long Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : a) Primary and secondary current on full load
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May 2025 A 200 kVA, 3300/240 V, 50-Hz single-phase transformer has 80 turns on the secondary winding. Assume an ideal transformer. Calculate : b) The maximum value of flux
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Derive an equation for resonant frequency for a parallel RLC circuit.Long Answer 8 Marks May-2025 • PTU B-TECH
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Write a short note on : a) Types of batteries and their characteristicsShort Answer 8 Marks May-2025 • PTU B-TECH
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May 2025 Write short notes on: h) Enlist the types of batteries in electric systems.
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Write a short note on : b) Earthing and its need.Long Answer 8 Marks May-2025 • PTU B-TECH
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find Basic Electrical Engineering previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists Basic Electrical 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 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 Engineering usually cover?
The question papers here relate to the official Basic Electrical Engineering syllabus set by the university for this course and semester.
05 Does this page include a Basic Electrical Engineering with answers pdf 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.