What is Alternating Current (AC)?

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

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Textbook

Performance-Based Assessments for AC Circuit Competencies

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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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AC Commutator Motors

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

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Tesla Polyphase Induction Motors

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

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Other Specialized Motors

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

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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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Reluctance Motor

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

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Textbook

Intermediate Electromagnetism and Electromagnetic Induction

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

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Wound Rotor Induction Motors

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

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AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

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Textbook

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…

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Textbook

Design Project: Dual-output AC-DC Power Supply

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

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Torque Conversion Calculator

A tool designed to convert between units of torque

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Tools

SPICE Quirks

“Garbage in, garbage out.” —Anonymous   SPICE…

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Textbook

Pulse Width Modulation

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

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Textbook

An Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the…

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Soldering

Both soldering irons and soldering guns are tools used in the process…

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IC Fabrication and Packaging

What does it mean if an integrated circuit comes in DIP form? What…

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Delta and Wye 3-Phase Circuits

Label where each of the following electrical quantities would be found…

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Building a Differential Amplifier

Differential Op-Amp Circuits An op-amp with no feedback is already a…

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Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…

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Boolean Algebraic Identities

In mathematics, an identity is a statement true for all possible…

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Emergency Response

Despite lock-out/tag-out procedures and multiple repetitions of…

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Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.

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Tools

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system

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Tools

Digital Lab - 7-segment LED Display

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

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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

Numeration Systems

Digital computers communicate with external devices through ports:…

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Worksheets - Mobile

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…

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Textbook

Analog Lab - 555 Ramp Signal Generator

In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.

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Textbook