About this app

This app is a Complete Free Book of Electrical Enginnering(Direct current) With important topics, notes, blogs,and diagrams..

This Useful app Consist of More than 100 of topics with clear details and diagram..

DC can be found in just about every home and electronic device, as it is more practical (compared to AC from power stations) for many consumer devices.

Chapter 1: Basic Concepts Of Electricity

Static Electricity
Conductors, Insulators, and Electron Flow
Electric Circuits
Voltage and Current
Resistance
Voltage and Current in a Practical Circuit
Conventional Versus Electron Flow

Chapter 2: Ohm's Law

Ohm’s Law - How Voltage, Current, and Resistance Relate
An Analogy for Ohm’s Law
Power in Electric Circuits
Calculating Electric Power
Resistors
Nonlinear Conduction
Circuit Wiring
Polarity of voltage drops
Computer Simulation of Electric Circuits

Chapter 3: Electrical Safety

The Importance of Electrical Safety
Physiological Effects of Electricity
Shock Current Path
Ohm’s Law (again!)
Safe Practices
Emergency Response
Common Sources of Hazard
Safe Circuit Design
Safe Meter Usage
Electric Shock Data

Chapter 4: Scientific Notation And Metric Prefixes

Scientific Notation
Arithmetic with Scientific Notation
Metric Notation
Metric Prefix Conversions
Hand Calculator Use
Scientific Notation in SPICE
Chapter 5: Series And Parallel Circuits
What are “Series” and “Parallel” Circuits?
Simple Series Circuits
Simple Parallel Circuits
Conductance
Power Calculations
Correct use of Ohm’s Law
Component Failure Analysis
Building Simple Resistor Circuits

Chapter 6: Divider Circuits And Kirchhoff's Laws

Voltage Divider Circuits
Kirchhoff’s Voltage Law (KVL)
Current Divider Circuits
Kirchhoff’s Current Law (KCL)

Chapter 7: Series-parallel Combination Circuits

What is a Series-Parallel Circuit?
Analysis Technique
Re-drawing Complex Schematics
Component Failure Analysis (Continued)
Building Series-Parallel Resistor Circuits

Chapter 8: DC Metering Circuits

What is a Meter?
Voltmeter Design
Voltmeter Impact on Measured Circuit
Ammeter Design
Ammeter Impact on Measured Circuit
Ohmmeter Design
High Voltage Ohmmeters
Multimeters
Kelvin (4-wire) Resistance Measurement
Bridge Circuits
Wattmeter Design
Creating Custom Calibration Resistances

Chapter 9: Electrical Instrumentation Signals

Analog and Digital Signals
Voltage Signal Systems
Current Signal Systems
Tachogenerators
Thermocouples
pH Measurement
Strain Gauges

Chapter 10: DC Network Analysis

What is Network Analysis?
Branch Current Method
Mesh Current Method
Node Voltage Method
Introduction to Network Theorems
Millman’s Theorem
Superposition Theorem
Thevenin’s Theorem
Norton’s Theorem
Thevenin-Norton Equivalencies
Millman’s Theorem Revisited
Maximum Power Transfer Theorem
Δ-Y and Y-Δ Conversions

Chapter 11: Batteries And Power Systems

Electron Activity in Chemical Reactions
Battery Construction
Battery Ratings
Special-purpose Batteries
Practical Considerations - Batteries

Chapter 12: Physics Of Conductors And Insulators

Introduction to Conductance and Conductors
Conductor Size
Conductor Ampacity
Fuses
Specific Resistance
Temperature Coefficient of Resistance
Superconductivity
Insulator Breakdown Voltage

Chapter 13: Capacitors

Electric Fields and Capacitance
Capacitors and Calculus
Factors Affecting Capacitance
Series and Parallel Capacitors
Practical Considerations - Capacitors
Chapter 14: Magnetism and Electromagnetism
Permanent Magnets
Electromagnetism
Magnetic Units of Measurement
Permeability and Saturation
Electromagnetic Induction
Mutual Inductance

Chapter 15: Inductors

Magnetic Fields and Inductance
Inductors and Calculus
Factors Affecting Inductance
Series and Parallel Inductors
Practical Considerations - Inductors

Chapter 16: RC and L/R Time Constants

Electrical Transients
Capacitor Transient Response
Inductor Transient Response
Voltage and Current Calculations
Why L/R and not LR?
Complex Voltage and Current Calculations
Complex Circuits
Solving for Unknown Time

New features

Chapter and topic updated..
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