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AC Commutator Motors

AC Commutator Motors

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Lenz’s Law and Faraday’s Law Calculator

Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.


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Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Appliances

Intermediate Electromagnetism and Electromagnetic Induction

Intermediate Electromagnetism and Electromagnetic Induction

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


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DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


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Stepper Motors

Stepper Motors

Don’t just sit there! Build something!! Learning to analyze digital…


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555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


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Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…


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AC Commutator Motors

AC Commutator Motors

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


Textbook

Boolean Algebra

Boolean Algebra

Don’t just sit there! Build something!! Learning to analyze digital…


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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Linear Computational Circuitry

Linear Computational Circuitry

Don’t just sit there! Build something!! Learning to mathematically…


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Other Specialized Motors

Other Specialized Motors

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


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Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


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Motor Control Circuits

Motor Control Circuits

The interlock contacts installed in the previous section’s motor…


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Appliances

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

Calculate the voltage output by the secondary winding of a transformer…


Worksheets - Appliances

AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


Worksheets - Appliances

Rectifier Circuits

Rectifier Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Appliances

Contactors

Contactors

All About Contactors When a relay is used to switch a large amount of…


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The Shockley Diode

The Shockley Diode

Our exploration of thyristors begins with a device called the…


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Magnetic Fields and Inductance

Magnetic Fields and Inductance

Whenever electrons flow through a conductor, a magnetic field will…


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The Common-gate Amplifier (IGFET)

The Common-gate Amplifier (IGFET)


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High-Reliability Circuits

High-Reliability Circuits

Don’t just sit there! Build something!! Learning to analyze relay…


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Δ-Y and Y-Δ Conversions

Δ-Y and Y-Δ Conversions

In many circuit applications, we encounter components connected…


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AC Lab - Introduction

AC Lab - Introduction

In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.


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Capacitive Reactance

Capacitive Reactance

Don’t just sit there! Build something!! Learning to mathematically…


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Series R, L, and C

Series R, L, and C

Let’s take the following example circuit and analyze it:  …


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Resistors Types

Resistors Types

These are the most common types of resistors available. Resistors…


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EIRP Calculator

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna


Tools

Current Mirror BJTs

Current Mirror BJTs

Bipolar Junction Transistor or BJT Current Mirror An often-used…


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Introduction to Insulated-gate Field-effect Transistors

Introduction to Insulated-gate Field-effect Transistors

As was stated in the last chapter, there is more than one type of…


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Motor Control Circuits

Motor Control Circuits

The interlock contacts installed in the previous section’s motor…


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Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Appliances

Transistor Ratings and Packages (JFET)

Transistor Ratings and Packages (JFET)


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Shock Current Path

Shock Current Path

As we’ve already learned, electricity requires a complete path…


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Trigonometric Equivalencies

Trigonometric Equivalencies


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Radar Maximum Range Calculator

Radar Maximum Range Calculator

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


Tools

Power Conversion Circuits

Power Conversion Circuits

Don’t just sit there! Build something!! Learning to mathematically…


Worksheets - Appliances

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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