BT-104 RGPV B.Tech
Basic Electrical & Electronics Engineering (BEEE)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
8 papers, latest Dec 2025
- BT-104 paper, Dec 2025
- BT-104 paper, Jun 2025
- BT-104 paper, Dec 2024
- BT-104 paper, Jun 2024
- BT-104 paper, Dec 2023
- BT-104 paper, Jun 2023
Syllabus, notes and important questions for BT-104
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 DC Circuits 11 topics
- Voltage and current sources (independent and dependent)
- Units and dimensions
- Source conversion
- Ohm’s law
- Kirchhoff’s laws
- Superposition theorem
- Thevenin’s theorem
- Mesh analysis
- Nodal analysis
- Star‑delta transformation
- Power and energy calculations in resistive circuits
Unit 2 1‑Phase AC Circuits 10 topics
- Generation of sinusoidal AC voltage
- Average, RMS values, form factor and peak factor
- Phasor concept
- Power factor
- Impedance and admittance
- Active, reactive and apparent power
- Analysis of R‑L, R‑C, R‑L‑C series and parallel circuits
- Three‑phase AC fundamentals: phase sequence, balanced/unbalanced supply and loads
- Relationship between line and phase quantities for star and delta connections
- Power measurement in balanced and unbalanced three‑phase systems
Unit 3 Magnetic Circuits 9 topics
- Definitions of magnetic circuits
- Magnetisation characteristics of ferromagnetic materials
- Self‑inductance and mutual inductance
- Energy storage in linear magnetic systems
- Series connection of coils
- AC excitation of magnetic circuits
- Magnetic field produced by current‑carrying conductors
- Force on a current‑carrying conductor
- Induced voltage and laws of electromagnetic induction
Unit 4 Electrical Machines 7 topics
- Construction, classification and working principles of DC machines
- Construction, classification and working principles of induction machines
- Construction, classification and working principles of synchronous machines
- Slip concept in three‑phase induction motors
- Torque‑slip characteristics of induction motors
- Types of losses in electrical machines
- Applications of DC, induction and synchronous machines
Unit 5 Basic Electronics 9 topics
- Number systems and conversions used in digital electronics
- De Morgan’s theorem
- Logic gates (AND, OR, NOT, NAND, NOR, XOR, XNOR)
- Half‑adder and full‑adder circuits
- RS and JK flip‑flops
- Semiconductor fundamentals
- Diode I‑V characteristics
- Bipolar junction transistor (BJT) operation and configurations (CE, CB, CC)
- Modes of operation of BJT
Exam insights
Counted from 6 past BT-104 papers.
Marks asked per paper, by unit
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Unit 1 D.C. Circuits 22 marks
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Unit 2 1- phase AC Circuits & 3-phase AC Circuits 26 marks
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Unit 3 Magnetic Circuits & Single phase transformer 22 marks
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Unit 4 Electrical Machines 21 marks
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Unit 5 Basic Electronics 21 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Define RMS value, average value, form factor, peak factor and related alternating quantity terms, and give their values for a sinusoidal waveform.
Asked 5 times: 2025, 2024, 2023, 2022
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Explain Faraday's laws of electromagnetic induction.
Asked 3 times: 2025, 2024, 2023
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Use mesh analysis to determine mesh currents / branch current $I_0$ in the given DC network
Asked 3 times: 2025, 2023