A very common misconception students have about potentiometers is the…
Determine what the magnitude and polarity of the voltmeter’s…
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.
Long before the advent of digital electronic technology, computers…
To overcome the challenge of creating necessary DC bias voltage for an…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
In DC and low-frequency AC circuits, the characteristic impedance of…
Explain the principle of operation for the particular integrated…
What is Attenuators? Attenuators are passive devices. It is…
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
Don’t just sit there! Build something!! Learning to mathematically…
In our study of AC circuits thus far, we’ve explored circuits…
In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.
Don’t just sit there! Build something!! Learning to mathematically…
The Q factor of a series inductive circuit is given by the following…
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.
During the early development of telephone technology, a unit was…
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
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.
It is a common phenomenon for the electrical resistance of a substance…
Don’t just sit there! Build something!! Learning to mathematically…
The table of electric currents and their various bodily effects was…
Convert between Celsius, Fahrenheit and Kelvin
An unbalanced Wheatstone bridge cannot be solved using simple series…
In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.
Don’t just sit there! Build something!! Learning to mathematically…
A wound rotor induction motor has a stator like a squirrel cage…
If two coils of wire are brought into close proximity with each other…
This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
Identify which trigonometric functions (sine, cosine, or tangent) are…
Determine if the light bulb will de-energize for each of the following…
Often in the course of designing and building electrical meter…
When using conventional current flow, we can trace the direction of…
The SPICE circuit simulation computer program uses scientific notation…
An oscilloscope is a very useful piece of electronic test equipment.…
Don’t just sit there! Build something!! Learning to mathematically…
Capacitors store energy in the form of an electric field, and…
We’ve already seen one example of a monostable multivibrator in…
The most important component of your voltmeter will be the…
There are three basic factors of capacitor construction determining…
“All men are liable to error;” —John Locke Whereas…
The Programmable Logic Controller, or PLC, was invented in the late…
Explain how an ohmmeter is able to measure the resistance of a…
In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.
Behaviors of Inductors wrapped around a Conductive Core Suppose we…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Don’t just sit there! Build something!! Learning to mathematically…
The Q, or quality, factor of a resonant circuit is a measure of the…
Don’t just sit there! Build something!! Learning to mathematically…
With this lesson, I hope to avoid a common mistake found in…
Although transistor switching circuits operate without bias, it is…
In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
All entries arranged in alphabetical order of surname. Major…
Seeing as how a common meter movement can be made to function as a…
The SPICE circuit simulation computer program uses scientific notation…
In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
Define the following terms: energy, work, and power.
