What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…

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AC Lab - Induction Motor

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

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Intermediate Electromagnetism and Electromagnetic Induction

As an electric current is passed through a coil of wire, it creates a…

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AC Commutator Motors

Charles Proteus Steinmetz’s first job after arriving in America…

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Reluctance Motor

The variable reluctance motor is based on the principle that an…

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Performance-Based Assessments for AC Circuit Competencies

(Template)

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Wound Rotor Induction Motors

A wound rotor induction motor has a stator like a squirrel cage…

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Other Specialized Motors

Shaded Pole Induction Motor An easy way to provide starting torque to…

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Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…

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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

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Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect

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Arithmetic Properties

Associative Property In addition and multiplication, terms may be…

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Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.

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Electric Shock

It is sometimes said regarding electrical safety that, Ït’s not the…

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Phase-Locked Loops

This is a schematic for a simple VCO: The oscillator is of the RC…

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Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…

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Operational Amplifier Models

While mention of operational amplifiers typically provokes visions of…

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Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…

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Series and Parallel Inductors

When inductors are connected in series, the total inductance is the…

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How to Use Thevenin’s Theorem

This page will walk you step-by-step through the process of…

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Phase-locked Loops

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Inductor Voltage and Current Relationship

Inductors do not have a stable “resistance” as conductors…

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Parallel DC Circuits Practice Worksheet With Answers

In this circuit, three resistors receive the same amount of voltage…

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Vol II. Credits

All entries arranged in alphabetical order of surname. Major…

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Sources of Electricity

What is the difference between DC and AC electricity? Identify some…

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Microstrip Trace Width Calculator

This tool is designed to compute for the trace width of a microstrip

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Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…

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The Importance of Electrical Safety

With this lesson, I hope to avoid a common mistake found in…

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DC Lab - Introduction

In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.

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Stepper Motor Calculator

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

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