Electrical Engineering Principles notes

Module I – Electrical Engineering Principles

Topic 1: Electrical Quantities and Application
Topic 2: Cells and Batteries
Topic 3: Electrical Instruments
Topic 4: DC Circuit Theory
Topic 5: Magnetism and Electromagnetism
Topic 6: Electrostatics
Topic 7: AC Theory
Topic 8: Transformers

1. Electrical Quantities and Application

  • Basic SI units
  • Derived units
  • Units of electrical quantities
  • Calculations

2. Cells and Batteries

  • Electrolysis and applications
  • Definition of electricity
  • Construction of simple cell
  • Determination of E.m.f in cells
  • Differentiation of primary and secondary
  • Construction and application of cells
  • Calculations
  • Charging methods

3. Electrical Instruments

  • Analogue instruments
  • Repulsion and attraction
  • Shunts and multipliers
  • Multimeters

4. DC Circuit Theory

  • Definition of resistivity
  • Ohms law
  • Series circuits
  • Parallel circuits
  • Kirchoff’s laws
  • Superposition theorem
  • Calculations
  • Chemical effects due to electric current

5. Magnetism and Electromagnetism

  • Electromagnetic fields
  • Leakage and flux fringing
  • Laws of Electromagnetic induction
  • Inductance
  • Hysteresis
  • Calculations

6. Electrostatics

  • Definitions
  • Types of capacitors
  • Concept of charge and electrostatic field
  • Dielectric field
  • Calculations

7. AC Theory

  • Simple ac generator
  • Terminologies applied to ac generators
  • Unidirectional and directional waveforms
  • Pasive elements of ac circuits
  • Calculations

8. Single Phase Transformers

  • Constructional features
  • Principles of operation
  • Tests for single phase transformers
  • Application of single phase transformers
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