Gujarat Technological UniversitySummer 2023 examination

GTU 3110005 Basic Electrical Engineering (BEE) Summer 2023 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 10:30 AM – 1:00 PM
Questions
5 with internal choice
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5 of 25 questions on this paper were also asked in other years. 1 more is a type 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

Determine the number of branches and nodes in the circuit shown in fig 1. Identify which elements are in series and which are in parallel.

GTU Basic Electrical Engineering (3110005) Summer 2023 Question 1(a) Diagram
(b)
4 marks
Find the average and rms value for the waveform shown in fig 2.
GTU Basic Electrical Engineering (3110005) Summer 2023 Question 1(b) Diagram
(c)
7 marksAsked in 5 of 7 papers

Explain working of a single-phase transformer and derive the e.m.f. equation. Why the rating of transformer is in KVA?

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

Q.2

14 Marks
(a)
3 marks
Can we apply KVL in a loop containing a current source? Give answer with reason.
(b)
4 marksAsked in 2 of 7 papers
Explain ideal Voltage and current source

Also asked in Summer 2026 Q1a

(c)
7 marks
Determine the current in the branches of the network in Fig.3 using nodal analysis.
GTU Basic Electrical Engineering (3110005) Summer 2023 Question 2(c) Diagram
(c)
7 marks

A 120 V, 500 W lamp is used with a series choke on a 230 V, 60 Hz line, what is the inductance of the required choke if the choke has a Q of 2 ?

Q.3

14 Marks
(a)
3 marks
Distinguish between a mesh and a loop of a circuit.
(b)
4 marks

What is the use of form factor and peak factor; also differentiate between EMF and potential difference.

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

Determine the current through 2 ohm resistor connected between A and B in the circuit shown in fig.4 using Thevenin theorem

GTU Basic Electrical Engineering (3110005) Summer 2023 Question 3(c) Diagram

Also asked in Summer 2026 Q5c OR, Winter 2025 Q2c, Summer 2024 Q2c OR

(a)
3 marks
What is the need for power factor improvement in electrical circuits?
(b)
4 marks
Summarize the advantages of 3 phase circuits over single-phase circuits.
(c)
7 marks

A 400 v, 50 Hz 3-phase supply has 1 00 ohm between R and Y, j 1 00 ohm between Y and B and - j 100 ohm between B and R. Find (a) line currents for phase sequence RYB(b) star connected balanced resistors for the same power

Q.4

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Draw and explain briefly BH curve.

Also asked in Winter 2025 Q4b

(b)
4 marks
Write advantages of the sinusoidal waveform for electrical power applications.
(c)
7 marks

With the help of phasor diagram explain two wattmeter methods for the measurement of three-phase power.

(a)
3 marks
What is the significance of back E.M.F. in a DC Motor?
(b)
4 marksAsked in 2 of 7 papers
State advantages and disadvantages of autotransformer.

Also asked in Summer 2025 Q4a OR

(c)
7 marks

What is the time constant of an RC circuit? Show that its units are the same as that of time. How this quantity signify about capacitor voltage during charging?

Q.5

14 Marks
(a)
3 marks
Why single-phase induction motor is not self-starting?
(b)
4 marks
Analyze on how can the direction of rotation of a DC shunt motor be reversed
(c)
7 marks

Define the term battery capacity. On which factors it depends. Also list out the parts of lead acid battery

(a)
3 marks
list out some safety measures against electric shocks
(b)
4 marks
What is the difference between wire & cable?
(c)
7 marksAsked in 5 of 7 papers
Explain principle, construction and working of a synchronous generator in details.

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

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 2023, 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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