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Selsyn (Synchro) Motors

Textbook

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

Wound Rotor Induction Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Other Specialized Motors

Textbook

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

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…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Reluctance Motor

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Commutator Motors

Textbook

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

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Raspberry Pi

Define the following terms: energy, work, and power.

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Optoelectronic Devices

Worksheets - Raspberry Pi

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

Power Conversion Circuits

Worksheets - Raspberry Pi

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

Selsyn (Synchro) Motors

Textbook

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

555 Hysteretic Oscillator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Voltmeter Design

Worksheets - Raspberry Pi

Suppose I were about to measure an unknown voltage with a manual-range…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Basic Electricity Worksheet

Worksheets - Raspberry Pi

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

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Characteristic Impedance

Worksheets - Raspberry Pi

Note the “50 ohm” rating printed on the jacket of the cable. What…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Raspberry Pi

(Template)

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Microcontroller Principles

Worksheets - Raspberry Pi

Read the following quotation, and then research the term…

Digital Logic Signals

Worksheets - Raspberry Pi

A rheostat (variable resistor) and a switch are both examples of…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…