Most students of electricity begin their study with what is known as…
Textbook
Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Motor Control
The variable reluctance motor is based on the principle that an…
Textbook
A tool designed to convert between units of torque
Tools
The armature windings of your DC motor will have very low resistance.…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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If an electric current is passed through this wire, which direction…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
A chandelier has five light bulbs in it, and one of them is not…
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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.
Textbook
A very useful tool for observing rotating objects is a strobe light.…
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Read the following quotation, and then research the term…
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It is sometimes said regarding electrical safety that, Ït’s not the…
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A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Tools
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.
Textbook
After the introduction of the DC electrical distribution system by…
Textbook
If the ends of a wire loop are attached to two half-circular metal…
Worksheets - Motor Control
Solid-state switching circuits usually keep their constituent…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
At first it may seem pointless to have the four buffer gates following…
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So far, we’ve explored tubes which are totally…
Textbook
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.
Textbook
A Logic Gate is assigned as an elementary building block of…
Textbook
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Tools
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.
Textbook
In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
Textbook
Let’s count from zero to twenty using four different kinds of…
Textbook
This page will walk you step-by-step through the process of…
Textbook
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
Textbook
During the early development of telephone technology, a unit was…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
Wire-by-Number project: simple voltage divider Description: Build a…
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Unijunction transistor: Although a unijunction transistor is not a…
Textbook
Centuries ago, it was discovered that certain types of mineral rock…
Textbook
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
Tools
What shape of voltage waveform would you expect to measure (using an…
Worksheets - Motor Control
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Textbook
Roman Numerals The Romans devised a system that was a substantial…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motor Control
Like its bipolar cousin, the field-effect transistor may be used as an…
Textbook
All About Diodes A diode is an electrical device allowing current to…
Textbook
The R/2R DAC circuit is an alternative to the binary-weighted-input…
Textbook
Valence: The electrons in the outermost shell, or valence shell, are…
Textbook
So far in our discussions on electricity and electric circuits, we…
Textbook
“All men are liable to error;” —John Locke Whereas…
Textbook
In the previous section, we explored what would happen in simple…
Textbook
In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.
Textbook
What is the purpose of a seven-segment decoder circuit? What is a…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
Identify the type of logic gate shown in this schematic diagram, and…
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In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Textbook
Label where each of the following electrical quantities would be found…
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Devoting a whole chapter in a modern electronics text to the design…
Textbook
Our exploration of thyristors begins with a device called the…
Textbook
(Template)
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Of course, there is a danger of electrical shock when directly…
Textbook
Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.
Textbook
It should be common-sense knowledge that liquids flow through…
Textbook
Parallel-in/ serial-out shift registers do everything that the…
Textbook
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