Tesla Polyphase Induction Motors

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

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Wound Rotor Induction Motors

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

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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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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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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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Textbook

Performance-Based Assessments for AC Circuit Competencies

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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 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 Commutator Motors

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

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Reluctance Motor

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

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Other Specialized Motors

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

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Amplifier Circuits

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

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Summer and Subtractor OpAmp Circuits

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

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Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…

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Network Topology

Point-to-Point Connecting two digital devices with a network, would…

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Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…

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Memory Devices

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

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555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.

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Hand Calculator Use

To enter numbers in scientific notation into a hand calculator, there…

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RC Time Constant Calculator

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.

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Capacitors

Identify some of the different types of capacitors, and their…

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What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…

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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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Textbook

Series and Parallel AC Circuits

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

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Radio Circuits

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

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Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…

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Static Electricity

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

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Twisted-Pair Impedance Calculator

A tool designed to calculate the characteristic impedance of a twisted-pair cable

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Tools

Practical Considerations of ADC Circuits

Perhaps the most important consideration of an ADC is its resolution.…

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Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…

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Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

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Tools