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University of Barishal

Department of Computer Science and Engineering

Final Exam

Course Title: Introduction to Electrical Engineering (EEE-1205)

Semester: 2nd | Session: 21-22

Time: 180 minutes | Marks: 60.00

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Answer any five Questions from the followings.

1.

a)

Define resistance, conductance, inductance and electric potential. Derive units of resistivity and conductivity.

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5 Marks
b)

Discuss the law of resistance. What are the effects of temperature on resistance?

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3 Marks
c)

In the following circuit, find the value of supply voltage V so that 20-Ω resistor can dissipate 180w.

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4 Marks
2.

a)

Explain KVL and KCL with their limitations if any.

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4 Marks
b)

Determine the currents in the unbalanced bridge circuit below. Also, determine the p.d. across BD and the resistance from B to D.

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6 Marks
c)

What do you understand by independent and dependent sources? Explain.

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2 Marks
3.

a)

Explain mesh analysis using matrix form.

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6 Marks
b)

Determine the current supplied by each battery in the circuit shown below.

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6 Marks
4.

a)

State the following terms:
i) Norton's Theorem   ii) Thevenin's theorem

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4 Marks
b)

What are the differences between Norton's and Thevenin's theorems?

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5 Marks
c)

What are the advantages of voltage divider rule?

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3 Marks
5.

a)

Explain source conversion techniques. Use Source Conversion technique to find the load current I in the circuit below.

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6 Marks
b)

State and explain superposition theorem. Using Superposition theorem, find the current through the 40 W resistor in the circuit shown below.

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6 Marks
6.

a)

Explain Delta/Star and Star/Delta Transformation with appropriate figures and derive required equations for each conversions.

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8 Marks
b)

A network of resistances is formed as follows as in the following figure.

ΑΒ = 9 Ω; BC = 1 Ω; CA = 1.5 Ω forming a delta and AD= 6 Ω; BD = 4 Ω and CD = 3 Ω forming a star. Compute the network resistance measured between (i) A and B (ii) B and C and (iii) C and A.

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4 Marks
7.

a)

What is an alternating current?

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2 Marks
b)

Define the RMS value of an alternating current. Find the RMS value of alternating current for full cycle.

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6 Marks
c)

Explain the form factor. What is an average value of alternating emf for a complete cycle?

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4 Marks
8.

a)

Let an alternating emf, E = Eo ejwt is applied to the series combination of LCR as shown in the following figure.

i) Find the total impedance and its magnitude.
ii) Find the phase angle and draw the phase diagram.
iii) Find the resonance condition and resonant frequency.
iv) Find an expression for the current.

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8 Marks
b)

Distinguish between series resonant and parallel resonant circuits.

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4 Marks
View 117 Topic-wise Questions for this Course

Contributors of this Question:

Role Name Date
Uploaded By: Onebyzero Edu (Test User) July 28, 2024, 2:02 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Nov. 29, 2025, 9:40 p.m.
Reviewed By: Obaydul Hasan Nayeem Nov. 29, 2025, 10:12 p.m.
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