The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
Tools
Brushless DC motors were developed from conventional brushed DC motors…
Textbook
In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
Textbook
If a strip of conductive metal is stretched, it will become skinnier…
Textbook
Most of us have experienced some form of electric “shock,”…
Textbook
The bipolar junction transistor (BJT) was named because its operation…
Textbook
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
Textbook
In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
Textbook
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
Textbook
This calculator will convert pressure values to ten different standard units for pressure.
Tools
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.
Textbook
A very important measurement in many liquid chemical processes…
Textbook
In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.
Textbook
It is very important to keep in mind that the “normal”…
Textbook
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.
Textbook
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
Textbook
This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
Tools
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Textbook
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
Transformers with Multiple Secondaries Transformers are very versatile…
Textbook
Seebeck Effect An interesting phenomenon applied in the field of…
Textbook
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Textbook
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
Tools
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
Textbook
In the last section, we learned what would happen in simple…
Textbook
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
This tool is designed to calculate the maximum distance (range) that a radar can detect
Tools
Larger Karnaugh maps reduce larger logic designs. How large is large…
Textbook
There are four basic factors of inductor construction determining the…
Textbook
In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
Textbook
Certain substances are known to physically deform (shorten or…
Worksheets - Optical Sensors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
In many disciplines of science and engineering, very large and very…
Textbook
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.
Textbook
We have the symbols for depletion mode and enhancement mode MOSFETs -…
Textbook
Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - Optical Sensors
The Q factor of a series inductive circuit is given by the following…
Worksheets - Optical Sensors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optical Sensors
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