AC Motors Perhaps the most important benefit of polyphase AC power…
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In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
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In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
The armature windings of your DC motor will have very low resistance.…
Worksheets - Motor Control
Generators used in battery-charging systems must be regulated so as to…
Worksheets - Motor Control
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Motor Control
As an electric current is passed through a coil of wire, it creates a…
Worksheets - Motor Control
How is it possible to electrically measure the torque output by a…
Worksheets - Motor Control
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
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The variable reluctance motor is based on the principle that an…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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Normally, the rotor windings of a wound rotor induction motor are…
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A chandelier has five light bulbs in it, and one of them is not…
Worksheets - Motor Control
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
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A three-phase motor may be run from a single-phase power source.…
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Calculate the voltage output by the secondary winding of a transformer…
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After the introduction of the DC electrical distribution system by…
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A calculator for computing several parameters needed in the design of a flyback switch mode regulator
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Pure semiconductors are relatively good insulators as compared with…
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What is a harmonic frequency? If an oscillator circuit outputs a…
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Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
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In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
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Radio waves are comprised of oscillating electric and magnetic fields,…
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The Voltage Gain Because amplifiers have the ability to increase the…
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In mathematics, an identity is a statement true for all possible…
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A right triangle is defined as having one angle precisely…
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For ease of drawing complex circuit diagrams, electronic amplifiers…
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Because binary numeration requires so many bits to represent…
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Valence: The electrons in the outermost shell, or valence shell, are…
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By now you should be well aware of the correlation between electrical…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
Contributors to this chapter are listed in chronological order of…
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In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
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After applying some of the general troubleshooting tips to narrow the…
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All About Diodes A diode is an electrical device allowing current to…
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This calculator will convert pressure values to ten different standard units for pressure.
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This article explains the step-by-step process for determining the…
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Aside from the issues of the physical network (signal types and…
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In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.
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An ideal transistor would show 0% distortion in amplifying a signal.…
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Associative Property In addition and multiplication, terms may be…
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This calculator helps you compute the inductance of a broadside coupled trace.
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In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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In any electrically conductive substance, what are charge carriers?…
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Though it may seem strange to cover the elementary topic of electrical…
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Periodic table of chemical elements.
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The basic application of Ohm’s law to combinations of series and…
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Given two lengths of metal wire, which one will have the least…
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What is Kirchhoff’s Voltage Law (KVL)? The principle known as…
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Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
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Has the system ever worked before? If yes, has anything happened to…
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We know that the current in a series circuit may be calculated with…
Worksheets - Motor Control
A tool designed to convert between units of torque
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When calculating the power dissipation of resistive components, we can…
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In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
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Early in my explorations of electricity, I came across a length of…
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All About Diodes A diode is an electrical device allowing current to…
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In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.
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