When an alternator produces AC voltage, the voltage switches polarity…
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PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
Don’t just sit there! Build something!! Learning to mathematically…
Shown here is the schematic symbol for a resistor: What is the purpose…
Don’t just sit there! Build something!! Learning to mathematically…
What do each of the oscilloscope axes represent, in real-life terms…
Don’t just sit there! Build something!! Learning to mathematically…
An important electrical quantity with no equivalent in DC circuits is…
Determine if the light bulb will de-energize for each of the following…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
When someone mentions the word “computer,” a digital…
The Functionality of Diode Polarity Being able to determine the…
In power distribution systems, it is very important to be able to…
As an instructor of electronics, I am called upon frequently to help…
A very useful tool for observing rotating objects is a strobe light.…
As we saw with DC measurement circuits, the circuit configuration…
PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…
If we were to express the series-connected DC voltages as phasors…
What is the purpose of a seven-segment decoder circuit? What is a…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
So far, we’ve only been able to escape the sheer volume of…
PARTS AND MATERIALS High-quality “closed-cup” audio…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…
Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
In power distribution systems, it is very important to be able to…
Show how this ammeter would be connected to the light bulb circuit to…
A meter is any device built to accurately detect and display an…
The job of a technician frequently entails…
PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…
How is it possible to assign a fixed value of voltage or current (such…
Determine what the magnitude and polarity of the voltmeter’s…
Explain the operation of this “H-bridge” motor control circuit: At…
What is a harmonic frequency? If an oscillator circuit outputs a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
After applying some of the general troubleshooting tips to narrow the…
Our exploration of thyristors begins with a device called the…
The table of electric currents and their various bodily effects was…
The Q, or quality, factor of a resonant circuit is a measure of the…
PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…
Because it takes energy to force charge to flow against the opposition…
The armature windings of your DC motor will have very low resistance.…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
Identify some different ways you can create the sine-wave audio tracks…
Because of their insulated gates, IGFETs of all types have extremely…
Once again, when building battery/resistor circuits, the student or…
Mathematicians use Venn diagrams to show the logical relationships of…
Determine if the light bulb will de-energize for each of the following…
This calculator computes the noise figure and noise temperature in a system
Fundamentally, an amplifier is a device that takes in a low-power…
As a first example of useful combinational logic, let’s build a…
This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp
With simple gate and combinational logic circuits, there is a definite…
Don’t just sit there! Build something!! Learning to mathematically…
Pure resistive AC circuit: voltage and current are in phase. …
A third variation on the counter-DAC-based converter theme is, in my…
