Electrical Engineering Principles notes

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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
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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