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ENEE 151Bachelor in Electrical Engineering · Semester 21 Paper Available

Electric Circuit I

Past examination question papers and complete curriculum syllabus for Electric Circuit I (ENEE 151), Bachelor in Electrical Engineering Semester 2 under Institute of Engineering (IOE), Tribhuvan University.

Sem 2 Subjects (5)View Full Semester Overview →
ENSH 151Engineering Mathematics IIENSH 153Engineering ChemistryENCT 151Object Oriented ProgrammingENEE 151Electric Circuit IENEX 151Electronic Device and Circuits
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Past Question Papers (PDF)

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Note: This question paper file (1st sem) was archived from an IOE exam session for the common Electric Circuit I curriculum.

1st-sem_Electric Circuit I.pdf

IOE Past Examination Paper

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Most Frequently Asked Questions

Top recurring IOE board exam questions for Electric Circuit I with verified mark schemes, formula notation, and recurrence frequency.

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Year-wise & Session-wise Exam Papers

Complete questions from each exam session (Regular & Back exams from 2082 to 2069) for Electric Circuit I. Click any session paper to expand.

Showing 7 questions across 1 exam session papers
Institute of Engineering • 2081 Kartik Board Examination
Q1[2 Marks]Introduction to Electric Circuits
Define ohmic and non-ohmic resistance. A , incandescent filament lamp is switched on at . The operating temperature of the filament is . Determine the current taken by the lamp at the instant of switching on. The temperature coefficient of resistance of the filament material is .
Q2[3 Marks]Capacitance and Inductance
a) Derive the expression for energy storage in an inductor. [3] b) What are the causes and way to improve the low power factor?
Q3[6 Marks]Single Phase AC Circuit
a) Derive the relationship between voltage and current for the purely inductive circuit excited by ac voltage source. Also show that the power consumed by purely inductive circuit is zero. [4] b) A RC series circuit (, ) and RL series circuit ( and ) are connected in parallel to each other and a source of , is applied across the overall circuit. Calculate, i) Current drawn by RC branch, RL branch and overall current taken from supply. ii) Construct phasor diagram.
Q4[6 Marks]Single Phase AC Circuit📐 Diagram in Paper
Explain the condition of resonance in series RLC circuit with necessary circuit diagram and Phasor diagram & hence derive the expression for corresponding resonant frequency and bandwidth.
Q5[6 Marks]Single Phase AC Circuit
Two impedances and are connected in parallel. The first branch takes a leading current of and has a resistance of while the second branch takes a lagging current at power factor . The total power supplied is , the applied voltage being . Determine the complex expressions for branch currents, total current, and for the circuit constants.
Q6[6 Marks]Three Phase Circuit Analysis
In a 3-phase, 4-wire Y-connected system load in each phase are as follow: R-phase load : Y-phase load: B-phase load: The source voltage is (per phase). Calculate the Neutral current and total power consumed.
Q7[4 Marks]Three Phase Circuit Analysis
a) A , , 3-phase supply has delta-connected load having between R and Y, between Y and B and between B and R. Find the line currents, phase currents and the power supplied for the sequence RYB. [6] b) Justify the use of two watt-meter to calculate the power of 3-phase load. [4] c) Two capacitors A and B are connected in series across a supply and the p.d.s. across them are and respectively. When a capacitor of is now connected in parallel with A, the p.d. across B rises to . Calculate the capacitance of A and B.

Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (7 Units)

  1. 1. Basic Circuit Concepts and Network Topology

    4

  2. 2. Circuit Analysis Techniques (Mesh and Nodal)

    6

  3. 3. Network Theorems in DC and AC Circuits

    8

  4. 4. Inductance, Capacitance and Energy Storage

    5

  5. 5. Sinusoidal Steady-State AC Analysis and Phasors

    8

  6. 6. Resonance in Series and Parallel RLC Circuits

    5

  7. 7. Three-Phase Balanced and Unbalanced Circuits

    9

Examination Scheme & Marks Distribution

Evaluation Structure

  • Final Board Theory Exam: 60 Marks (Pass mark: 24)
  • Internal Assessment: 40 Marks (Pass mark: 16)
  • Practical / Lab Exam: 25 or 50 Marks (Continuous lab evaluation + viva, where applicable)

* This is the general current IOE 60/40 scheme; verify course-specific details in the syllabus above.

Exam Preparation Guidelines

  • Review the available past examination paper to understand question styling, typical derivation topics, and marks allocation.
  • Practice drawing labeled circuit schematics, deriving transfer functions, and showing systematic mathematical steps.
  • Structure answers with labeled diagrams, concise bullet points, and highlight final answers in numerical solutions.
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Curriculum Syllabus & Marking Scheme