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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: 18-19

Time: 180 minutes | Marks: 60.00

Course Teacher: Dr. Rahat Hossain Faisal

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N. B.: Answer any 5 (Five) questions of the following. Figures given in the right margin indicate the marks of the respective questions.

1.

a)

State and explain Kirchhoff's current law and Kirchhoff voltage law.

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3 Marks
b)

Calculate current and voltage of the following circuits.

i)

 

ii)

 

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6 Marks
c) What are current and voltage divider rule? Explain it with example.

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3 Marks
2.

a)

What is Norton's Theorem? How do you find Norton equivalent of a circuit?

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8 Marks
b)

What is the difference between Thevenin and Norton theorems?

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4 Marks
3.

a)

State and explain Thevenin's theorem.

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8 Marks
b)

Using Thevenin theorem refer to the circuit find IL.

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4 Marks
4.

a)

Find out Thevnin Voltage and Thevnin Resistance refer to the following circuit.

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6 Marks
b)

What is the relation between Thevenin's equivalent circuit and Norton's equivalent circuit?

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6 Marks
5.

a)

What is an alternating current (ac)?

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2 Marks
b)

Show that the average value of ac over one complete cycle is zero, while the average value of ac during a half cycle is 0.637I0, where I0 is the peak value of ac.

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5 Marks
c)

What is RMS value of an alternating emf? Show that the RMS value of an alternating emf is 0.707E0, where E0 is the amplitude or peak value of alternating emf.

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5 Marks
6.

a)

State Ampere's law?

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2 Marks
b)

What is a solenoid? Apply Ampere's law to find the magnetic field B that is set up in a solenoid having 'n' number of turns per unit length and carrying a current 'i0'.

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7 Marks
c)

A solenoid 0.5m long has 2000 turns. The magnetic induction near the center of the solenoid is 0.08T. What is the current in the solenoid?

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3 Marks
7.

a)

What is Phasor diagram? Draw the phasor diagrams for ac circuit with resistor, inductor and capacitor.

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4 Marks
b)

What is impedance? How to calculate the impedance of an RLC circuit? Calculate the total circuit impedance, the circuits current, power factor and draw the voltage phasor diagram.

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8 Marks
8.

a)

Write short notes on:                          [3*4 = 12]
i) Voltage divider rule
ii) Equivalent circuit
iii) Parallel resonant circuit
iv) Magnetomotive force

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12 Marks

Good Luck!

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Contributors of this Question:

Role Name Date
Prepared By (Teacher): Dr. Rahat Hossain Faisal N/A
Uploaded By: Onebyzero Edu (Test User) July 28, 2024, 1:58 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Nov. 30, 2025, 12:29 a.m.
Reviewed By: Obaydul Hasan Nayeem Nov. 30, 2025, 8:18 a.m.
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