Categories

AC Commutator Motors

Textbook

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

Selsyn (Synchro) Motors

Textbook

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Linear Computational Circuitry

Worksheets - Appliances

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

Servo Motor Systems

Worksheets - Appliances

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Appliances

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

Wound Rotor Induction Motors

Textbook

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

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

DC Motor Control Circuits

Worksheets - Appliances

How is it possible to electrically measure the torque output by a…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Motor Control Circuits

Worksheets - Appliances

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Step-up, Step-down, and Isolation Transformers

Worksheets - Appliances

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

What is Alternating Current (AC)?

Textbook

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

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Automotive Alternator

Textbook

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

Contactors

Textbook

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

Electric Shock

Worksheets - Appliances

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

DC Motor Theory

Worksheets - Appliances

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

Basic Troubleshooting Strategies

Worksheets - Appliances

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

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Design Project: Intercom System

Worksheets - Appliances

Design a passive circuit that will create a "split” ( V/-V) power…

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

Linear Computational Circuitry

Worksheets - Appliances

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Switches

Worksheets - Appliances

What is the purpose of the switch shown in this schematic diagram?

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Optoelectronic Devices

Worksheets - Appliances

In this circuit, the electric motor is supposed to turn on whenever…

Magnetic Units of Measurement

Worksheets - Appliances

In electric circuits, the three basic quantities are voltage (E or V),…

Temperature Coefficient of Resistance

Worksheets - Appliances

It is a common phenomenon for the electrical resistance of a substance…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Design Project: Sensitive Audio Detector

Worksheets - Appliances

The choice of step-down transformers to use in a project such as this…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…