Basic Electrical Engineering

Complete Study Guide with Theory, Formulas & Solved Examples

MODULE I

DC Circuits

Kirchhoff's Laws, Source Transformation, Mesh & Nodal Analysis, Star-Delta Transformations, Network Theorems (Superposition, Thevenin, Norton, Maximum Power Transfer)
MODULE II

AC Circuits

AC Generation, RMS & Average Values, Phasors, R-L-C Circuits, Power (Real, Reactive, Apparent), Resonance, Three-Phase Systems (Star & Delta Connections)
MODULE III

Single Phase Transformer

Working Principle, Types of Transformers, Transformation Ratio, Ideal vs Practical Transformer, Losses, Efficiency & Applications
MODULE IV

Electrical Machines

DC Motor, Three-Phase Induction Motor, Single-Phase Induction Motor, BLDC Motor - Principle, Construction, Classification & Applications
MODULE V

Special Purpose Diodes

Zener Diode Characteristics & Voltage Regulator Application, LED Structure, Working & Applications in Displays and Lighting
MODULE VI

Introduction to Transistors

BJT Structure & Operation, Common Emitter Configuration, FET Structure & Operation, Applications in Amplification, Switching & Oscillators

Solved Exam Questions

Practice with detailed solutions from previous year papers

QUESTIONS

Module I: DC Circuits

Superposition, Norton's Theorem, Star-Delta, Nodal Analysis, Source Transformation, Maximum Power Transfer
QUESTIONS

Module II: AC Circuits

AC Fundamentals, Power Factor, Impedance, Parallel Circuits, Three-Phase Systems, Resonance
QUESTIONS

Module III: Transformer

Working Principle, EMF Equation, Transformation Ratio, Efficiency, Losses, Types
QUESTIONS

Module IV: Electrical Machines

DC Motor Construction, Back EMF, 3-Phase Induction Motor, Single-Phase Motor, BLDC Motor
QUESTIONS

Module V: Diodes

Zener Diode V-I Characteristics, Voltage Regulator, LED Construction & Applications
QUESTIONS

Module VI: Transistors

BJT as Amplifier, BJT as Switch, FET Basics, BJT vs FET Comparison

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