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Basic Electrical

Electric Current and Magnetism Relationship

During the eighteenth and nineteenth centuries, a great deal of research was directed toward discovering the link between … Read More

Series Circuit Applications and Troubleshooting

There are numerous applications for the principles of series circuits. This section demonstrates how to apply those principles … Read More

Conductors, Insulators, and Semiconductors | Theory | Examples

All materials are classified according to their ability (or inability) to conduct as shown in Table 1. Table … Read More

Ohms Law and Power in Electrical Circuits

This module will enable readers to use Ohm’s Law and electric power formulas to determine the voltage, current, … Read More

Resistor Color Code and Resistor Tolerance Explained

As you know, a resistor is a component that is designed to provide specific amount of resistance. Resistors … Read More

Inductor and Capacitor Basics

The ideal resistor was a useful approximation of many practical electrical devices. However, in addition to resistance, which … Read More

Hybrid Parameters of Two Port Network

For analyzing circuits containing active devices such as transistors, it is more convenient to think of the input … Read More

Short-Circuit Admittance Parameters

We can represent the generalized coupling network by the π-network shown with dotted lines in Figure 1. It … Read More

Open-Circuit Impedance Parameters

To define the composition of a four-terminal, two-port network, we need four parameters. The test circuit of Figure … Read More

Impedance in Series and Parallel

Resistance and impedance both represent opposition to electric current. However, resistance opposes both direct and alternating current, while … Read More

Parallel Circuit Characteristics

Parallel Circuit Definition Resistors are said to be connected in parallel when the same voltage appears across every component. With different resistance … Read More

Phasor Diagram and Phasor Algebra used in AC Circuits

Figure 1 shows a simple AC series circuit containing resistance and inductance. The sine-wave voltage source causes a … Read More

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  • Basics
    • Basic Electrical
    • Batteries
    • Circuits with Matlab
    • Comparisons
    • Digital Circuits
    • Electrical MCQs
    • Electrical Q&A
    • Electronics
    • Elementary Physics I
    • Elementary Physics II
  • Electrical Concepts
    • Magnetism
    • Instrumentation
    • Signals
    • Renewable Energy
    • PLC
  • Control
    • Control Systems
    • Control with Matlab
    • Motor Control
  • Power Systems
  • Machines
    • DC Machines
    • Induction Motor
    • Synchronous Machines
    • Transformer
  • Articles
    • Books
    • Computer
    • Glossary
    • Tech