Anna University · Regulation 2021
BE 3251 Basic Electrical and Electronics Engineering question papers
BE3251 Basic Electrical and Electronics Engineering previous year question papers from Anna University (Regulation 2021), with the full syllabus. Read online or download the PDF.
Second semester · Core · L T P C: 3 0 0 3
Question papers
- April/May 2025
Question paper code 90212
- November/December 2023
Question paper code 20182
- April/May 2023
Question paper code 30063
- November/December 2022
Question paper code 70037
- April/May 2022
Question paper code 60016
Syllabus
Unit 1: Electrical Circuits9 hours
DC Circuits: Circuit Components: Conductor · Resistor · Inductor · Capacitor · Ohm's Law · Kirchhoff's Laws · Independent and Dependent Sources · Simple problems · Nodal Analysis · Mesh analysis with Independent sources only (Steady state) · Introduction to AC Circuits and Parameters: Waveforms · Average value · RMS Value · Instantaneous power · real power · reactive power and apparent power · power factor · Steady state analysis of RLC circuits (Simple problems only)
Unit 2: Electrical Machines9 hours
Construction and Working principle · DC Separately and Self excited Generators · EMF equation · Types and Applications · Working Principle of DC motors · Torque Equation · Types and Applications · Construction · Working principle and Applications of Transformer · Three phase Alternator · Synchronous motor and Three Phase Induction Motor
Unit 3: Analog Electronics9 hours
Resistor · Inductor and Capacitor in Electronic Circuits · Semiconductor Materials: Silicon & Germanium · PN Junction Diodes · Zener Diode · Characteristics Applications · Bipolar Junction Transistor-Biasing · JFET · SCR · MOSFET · IGBT · Types · I-V Characteristics and Applications · Rectifier and Inverters
Unit 4: Digital Electronics9 hours
Review of number systems · binary codes · error detection and correction codes · Combinational logic · representation of logic functions-SOP and POS forms · K-map representations · minimization using K maps (Simple Problems only)
Unit 5: Measurements and Instrumentation9 hours
Functional elements of an instrument · Standards and calibration · Operating Principle · types -Moving Coil and Moving Iron meters · Measurement of three phase power · Energy Meter · Instrument Transformers-CT and PT · DSO- Block diagram- Data acquisition