Gujarat Technological UniversityWinter 2023 examination

GTU 3110005 Basic Electrical Engineering (BEE) Winter 2023 Question Paper & PDF

B.E. · Common Engineering · Semester 1 · 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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18 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
Compare resistive series and parallel circuits.
(b)
4 marksAsked in 3 of 7 papers
State the Thevenin’s theorem with suitable example.

Also asked in Summer 2025 Q2c, Winter 2024 Q1c

(c)
7 marksAsked in 3 of 7 papers

Derive an expression for equivalent resistances of a star connected network to transform into a Delta connected network.

Also asked in Summer 2025 Q1c, Summer 2024 Q2c

Q.2

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Define Amplitude, Frequency and Time period for alternating quantities.

Also asked in Winter 2024 Q3a

(b)
4 marks

Two coils are connected in parallel and a voltage of 200V is applied between the terminals. The total current taken by the circuit is 25 A and power dissipated in one of the coils is 1500 W. Calculate the resistance of each coil.

(c)
7 marksAsked in 2 of 7 papers

Obtain the relationship between line and phase values of current in a three phase, balanced, delta connected system.

Also asked in Winter 2024 Q2c OR

(c)
7 marksAsked in 3 of 7 papers

Prove that the current in purely inductive circuit lags its voltage by 90° and average power consumption in pure inductor is zero.

Also asked in Summer 2025 Q3c, Summer 2024 Q3c

Q.3

14 Marks
(a)
3 marksAsked in 2 of 7 papers

Draw power triangle and define active power, reactive power and apparent power.

Also asked in Summer 2025 Q3a

(b)
4 marksSame type asked in 2 of 7 papers

If the waveform of a voltage has a form factor of 1.15 and peak factor of 1.5 and if the maximum value of a voltage is 4500 volts. Calculate the average and r.m.s. values of the voltage.

Also asked in Winter 2024 Q3b

(c)
7 marksSame type asked in 2 of 7 papers

Use the superposition theorem to calculate the current in branch AB of the circuit shown in below figure.

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

Also asked in Summer 2026 Q5c

(a)
3 marks
Explain working principle of synchronous motor.
(b)
4 marksAsked in 3 of 7 papers
Classify and compare various types of D.C. motors.

Also asked in Summer 2025 Q5b, Summer 2024 Q4a OR

(c)
7 marksAsked in 3 of 7 papers
Explain construction of DC Machine.

Also asked in Winter 2025 Q4c OR, Winter 2024 Q4c

Q.4

14 Marks
(a)
3 marksAsked in 5 of 7 papers
Derive the EMF equation of single-phase transformer.

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

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

Also asked in Winter 2025 Q4a, Summer 2024 Q4b

(c)
7 marksAsked in 2 of 7 papers
Explain various connections of three phase transformer with diagram.

Also asked in Summer 2025 Q4c

(a)
3 marksAsked in 3 of 7 papers

Give a comparison between squirrel cage induction motor and wound rotor induction motor.

Also asked in Summer 2025 Q5a, Winter 2024 Q4b

(b)
4 marksAsked in 2 of 7 papers
Explain in brief working principle of Three Phase Induction Motor.

Also asked in Winter 2025 Q4a OR

(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, Summer 2024 Q4c OR, Summer 2023 Q5c OR

Q.5

14 Marks
(a)
3 marksSame type asked in 4 of 7 papers

Compute the energy charges for an air conditioner having consumption of 2 kW for the month of April. Daily usage of the air conditioner is 12 hours. Energy charges are Rs 9 per unit.

Also asked in Winter 2025 Q1a, Winter 2024 Q5b OR, Summer 2024 Q5c OR

(b)
4 marksAsked in 2 of 7 papers
Write safety precautions for electrical Applications.

Also asked in Winter 2024 Q5a OR

(c)
7 marksAsked in 4 of 7 papers
Explain different methods of Power factor Improvement.

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

(a)
3 marksAsked in 2 of 7 papers
Write advantages and disadvantages of ELCB.

Also asked in Winter 2024 Q5a

(b)
4 marks
Give comparison between MCB and Fuse.
(c)
7 marksAsked in 5 of 7 papers
Classify different types of Earthing and explain Plate Earthing with diagram.

Also asked in Summer 2026 Q3a, Winter 2025 Q5c OR, Summer 2025 Q5c, Winter 2024 Q5c OR

More Basic Electrical Engineering papers

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

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About this paper

Official Gujarat Technological University (GTU) examination paper for Basic Electrical Engineering (BEE) (Winter 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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