Categories

What is Alternating Current (AC)?

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Contactors

Textbook

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

DC Generator Theory

Worksheets - DC Motors

Generators used in battery-charging systems must be regulated so as to…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

AC Motor Theory

Worksheets - DC Motors

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

DC Motor Theory

Worksheets - DC Motors

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

Basic Troubleshooting Strategies

Worksheets - DC Motors

A chandelier has five light bulbs in it, and one of them is not…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - DC Motors

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

Microcontroller Principles

Worksheets - DC Motors

Read the following quotation, and then research the term…

Bipolar Junction Transistors as Switches

Worksheets - DC Motors

Solid-state switching circuits usually keep their constituent…

Lenz’s Law and Faraday’s Law Calculator

Tools

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.

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Motor Control Circuits

Textbook

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

Rectifier Circuits

Worksheets - DC Motors

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

Wound Rotor Induction Motors

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - DC Motors

At first it may seem pointless to have the four buffer gates following…

Servo Motor Systems

Worksheets - DC Motors

Explain the operation of this “H-bridge” motor control circuit: At…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

What is Alternating Current (AC)?

Textbook

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

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Capacitive Reactance

Worksheets - DC Motors

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

JFET Quirks

Textbook

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…

Peak, Average, and RMS Measurements

Worksheets - DC Motors

How is it possible to assign a fixed value of voltage or current (such…

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a microstrip.

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

AC Generator Theory

Worksheets - DC Motors

If an electric current is passed through this wire, which direction…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

Step-up, Step-down, and Isolation Transformers

Worksheets - DC Motors

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

Performance-Based Assessments for DC Circuit Competencies

Worksheets - DC Motors

(Template)

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

Table (portrait view)

Textbook

  Periodic table of chemical elements.

Design Project: AC-DC Power Supply

Worksheets - DC Motors

Safety is very important when designing and/or building a device…