Gujarat Technological UniversitySummer 2024 examination

GTU 3110005 Basic Electrical Engineering (BEE) Summer 2024 Question Paper & PDF

B.E. · Common Engineering · Semesters 1 and 2 · Subject code 3110005
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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12 of 25 questions on this paper were also asked in other years. 3 more are types of question GTU sets again with new data. Each is marked below with the years it appeared.See all 39 repeated 3110005 questions, most asked first

Q.1

14 Marks
(a)
3 marks

Define the following terms related to Electrical Circuits.

1Branch 2. Node or Junction point 3. Mesh or Loop
(b)
4 marks

A 100 W,230 V lamp is connected in series with a 50W, 150 V lamp across 250 V supply mains. Calculate Voltage across each lamp.

(c)
7 marks
Explain Superposition theorem with suitable example.

Q.2

14 Marks
(a)
3 marksSame type asked in 3 of 7 papers

A R-L-C series circuit consists of R=10-ohm, L= 0.1 H and C= 50 μF. Find 1. Impedance 2. Current and 3. Active power, when it is connected to a

ac. source of 230V,50Hz.

Also asked in Winter 2025 Q3a OR, Summer 2025 Q5c OR

(b)
4 marks
Draw the voltage and current waveforms of R-L and R-C series circuits.
(c)
7 marksAsked in 3 of 7 papers

Derive the equation of three equivalent star connected resistances in terms of delta connected resistances.

Also asked in Summer 2025 Q1c, Winter 2023 Q1c

(c)
7 marksSame type asked in 4 of 7 papers

Using Thevenin’s theorem find current in branch BD of the network shown in

GTU Basic Electrical Engineering (3110005) Summer 2024 Question 2 OR (c) Diagram

Also asked in Summer 2026 Q5c OR, Winter 2025 Q2c, Summer 2023 Q3c

Q.3

14 Marks
(a)
3 marks

Define the following terms in connection with A.C. wave forms.

1Time period 2. R.M.S. Value 3. Average Value
(b)
4 marks

Three currents are represented by: i1 = 10 sin ωt, i2 = 20 sin (ωt -π/6) and i3 = 30 sin (ωt + π/4). Find magnitude and phase angle of resultant current.

(c)
7 marksAsked in 3 of 7 papers

Prove that current through pure inductor is always lagging by 90° to its voltage and power consumed is zero with necessary waveform and phasor diagram.

Also asked in Summer 2025 Q3c, Winter 2023 Q2c OR

(a)
3 marks
Write the characteristics of Series Resonant Circuit.
(b)
4 marksAsked in 2 of 7 papers
Give advantages and disadvantages of Two Wattmeter method.

Also asked in Winter 2024 Q3a OR

(c)
7 marksAsked in 2 of 7 papers

Derive the relationship of voltages and currents for Star connection in 3- phase a.c. circuit.

Also asked in Summer 2025 Q3c OR

Q.4

14 Marks
(a)
3 marksAsked in 5 of 7 papers
Derive E.M.F. equation of single-phase transformer.

Also asked in Summer 2026 Q4b, Winter 2024 Q2b, Winter 2023 Q4a, Summer 2023 Q1c

(b)
4 marksAsked in 3 of 7 papers
Compare core type and shell type transformers.

Also asked in Winter 2025 Q4a, Winter 2023 Q4b

(c)
7 marksAsked in 2 of 7 papers

Describe an auto transformer with its advantages, limitations and applications.

Also asked in Winter 2024 Q2a

(a)
3 marksAsked in 3 of 7 papers
Give classification of D.C. Motors.

Also asked in Summer 2025 Q5b, Winter 2023 Q3b OR

(b)
4 marks

Prepare list of different parts of D.C. machine and explain any one part with figure.

(c)
7 marksAsked in 5 of 7 papers
Explain construction of synchronous generator with diagram.

Also asked in Summer 2025 Q4c OR, Winter 2024 Q4c OR, Winter 2023 Q4c OR, Summer 2023 Q5c OR

Q.5

14 Marks
(a)
3 marksAsked in 2 of 7 papers
List the various safety devices used for domestic purpose.

Also asked in Summer 2025 Q5a OR

(b)
4 marksAsked in 2 of 7 papers
Explain necessity of earthing.

Also asked in Winter 2025 Q5b

(c)
7 marksAsked in 4 of 7 papers
Explain different methods for power factor improvement.

Also asked in Summer 2026 Q1b, Winter 2024 Q5c, Winter 2023 Q5c

(a)
3 marks
What is MCCB? Where it is used?
(b)
4 marks
State the advantages and applications of underground cables.
(c)
7 marksSame type asked in 4 of 7 papers

Calculate the electricity bill amount for a month of March, if 5 bulbs of 40 W for 5 h, 6 tube lights of 60 W for 5 h, a TV of 100 W for 6 h, a washing machine of 400 W for 2 h, a water pump of 0.5 HP for 30 minutes are used per day. The cost per unit is Rs 3.50. Consider 1 HP = 746 watts

Also asked in Winter 2025 Q1a, Winter 2024 Q5b OR, Winter 2023 Q5a

More Basic Electrical Engineering papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions · Solved
Winter 202570 marks · 5 questions · Solved
Summer 202570 marks · 5 questions
Winter 202470 marks · 5 questions

Other Semester 1 subjects

BE Common

3110001
Chemistry
3110002
English
3110003
Programming for Problem Solving
3110004
Basic Civil Engineering

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About this paper

Official Gujarat Technological University (GTU) examination paper for Basic Electrical Engineering (BEE) (Summer 2024, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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