Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…

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Textbook

What is Alternating Current (AC)?

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

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Textbook

Step-up, Step-down, and Isolation Transformers

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

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Worksheets - DC Motors

Basic Troubleshooting Strategies

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

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Worksheets - DC Motors

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…

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Textbook

Oscilloscope Trigger Controls

A very useful tool for observing rotating objects is a strobe light.…

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Worksheets - DC Motors

Tube Lab - Vacuum Tube Audio Amplifier

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

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Textbook

DC Generator Theory

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

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Worksheets - DC Motors

Electric Shock

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

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Worksheets - DC Motors

Boolean Algebra

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

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Worksheets - DC Motors

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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Tools

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

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Textbook

AC Commutator Motors

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

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Textbook

DC Lab - Potentiometer as a Rheostat

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

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Textbook

Microcontroller Principles

Read the following quotation, and then research the term…

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Worksheets - DC Motors

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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Textbook

Other Specialized Motors

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

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Textbook

Torque Conversion Calculator

A tool designed to convert between units of torque

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Tools

DC Motor Theory

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

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Worksheets - DC Motors

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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Tools

Linear Computational Circuitry

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

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Worksheets - DC Motors

Wound Rotor Induction Motors

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

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Textbook

Series and Parallel Inductors

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

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Textbook

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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Tools

Analysis Options

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…

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Textbook

Linear Computational Circuitry

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

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Worksheets - DC Motors

Permeability and Saturation

The nonlinearity of material permeability may be graphed for better…

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Textbook

Switches, Electrically Actuated (Relays)

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

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Textbook

DC Generator Theory

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

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Worksheets - DC Motors

Performance-Based Assessments for Basic Electricity Competencies

(Template)

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Worksheets - DC Motors

Inductor Voltage and Current Relationship

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

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Textbook

The Silicon-Controlled Switch (SCS)

If we take the equivalent circuit of an SCR and add another external…

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Textbook

Counters

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

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Worksheets - DC Motors

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…

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Textbook

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

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Tools

Electron Activity in Chemical Reactions

So far in our discussions on electricity and electric circuits, we…

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Textbook

Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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Textbook

The R/2R DAC (Digital-to-Analog Converter)

The R/2R DAC circuit is an alternative to the binary-weighted-input…

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Textbook

Link Budget Calculator

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

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Tools

DC Lab - Potentiometer as a Rheostat

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

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Textbook

Performance-Based Assessments for DC Circuit Competencies

(Template)

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Worksheets - DC Motors

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…

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Textbook