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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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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Reluctance Motor

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

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What is Alternating Current (AC)?

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

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Wound Rotor Induction Motors

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

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Other Specialized Motors

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

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Tesla Polyphase Induction Motors

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

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Performance-Based Assessments for AC Circuit Competencies

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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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Intermediate Electromagnetism and Electromagnetic Induction

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

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AC Commutator Motors

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

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Series Circuit Rules

Current Components in a series circuit share the same current: Itotal…

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AC Waveforms

When an alternator produces AC voltage, the voltage switches polarity…

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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…

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Voltage and Current Calculations

There’s a sure way to calculate any of the values in a reactive…

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Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…

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The Junction Field-effect Transistor (JFET) as a Switch

Like its bipolar cousin, the field-effect transistor may be used as an…

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Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.

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Current Mirror BJTs

Bipolar Junction Transistor or BJT Current Mirror An often-used…

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Binary Addition

The Rules of Binary Addition Adding binary numbers is a very simple…

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Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…

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Depletion-type IGFETs

Insulated gate field-effect transistors are unipolar devices just like…

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AC Power

If a sinusoidal voltage is applied to an impedance with a phase angle…

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Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…

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Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…

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Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…

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Q Factor and Bandwidth of a Resonant Circuit

The Q, or quality, factor of a resonant circuit is a measure of the…

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Multiple-input Gates

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

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DC Lab - 4-wire Resistance Measurement

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

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Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…

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The Antiderivative (Indefinite Integral)

  Notice something important here: taking the derivative of f(x)…

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