A meter is any device built to accurately detect and display an…
If a strip of conductive metal is stretched, it will become skinnier…
PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…
If a sinusoidal voltage is applied to an impedance with a phase angle…
Using an electrical meter safely and efficiently is perhaps the most…
As an electric current is passed through a coil of wire, it creates a…
In this circuit, three resistors receive the same amount of current (4…
Given two lengths of metal wire, which one will have the least…
Determine if the light bulb will de-energize for each of the following…
Don’t just sit there! Build something!! Learning to mathematically…
Shown here is the schematic symbol for a resistor: What is the purpose…
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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Don’t just sit there! Build something!! Learning to mathematically…
Seeing as how a common meter movement can be made to function as a…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
What hazards might be posed by a circuit with excessive current going…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
Just like voltmeters, ammeters tend to influence the amount of current…
If a sinusoidal voltage is applied to an impedance with a phase angle…
In this circuit, three resistors receive the same amount of voltage…
Seeing as how a common meter movement can be made to function as a…
If the ends of a wire loop are attached to two half-circular metal…
Identify some different ways you can create the sine-wave audio tracks…
PARTS AND MATERIALS High-quality “closed-cup” audio…
Don’t just sit there! Build something!! Learning to mathematically…
Complex numbers are useful for AC circuit analysis because they…
If I wanted to build a battery-powered electric drill, would it be…
A peak detector is a series connection of a diode and a…
Don’t just sit there! Build something!! Learning to mathematically…
A very important measurement in many liquid chemical processes…
AC electromechanical meter movements come in two basic arrangements:…
Computerized Fourier analysis, particularly in the form of the FFT…
Most ohmmeters of the design shown in the previous section utilize a…
During the early development of telephone technology, a unit was…
In power distribution systems, it is very important to be able to…
Determine if the light bulb will de-energize for each of the following…
PARTS AND MATERIALS Two 6-volt batteries Three NPN…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Remember that this tutorial is not exhaustive by any means, and that…
Current Components in a series circuit share the same current: Itotal…
This calculator computes the noise figure and noise temperature in a system
What will happen to the brightness of the light bulb as the iron core…
Starting with circle A in a rectangular A’ universe in figure…
Ohm’s Law also makes intuitive sense if you apply it to the…
What, exactly, is necessary to establish electrical continuity between…
Impedance Matching Because transformers can step voltage and current…
“All men are liable to error;” —John Locke Whereas…
Don’t just sit there! Build something!! Learning to analyze digital…
What is a Synchronous Counter? A synchronous counter, in contrast to…
PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…
Analog circuits are circuits dealing with signals free to vary from…
The benefits of scientific notation do not end with ease of writing…
PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery …
Don’t just sit there! Build something!! Learning to mathematically…
How is it possible to assign a fixed value of voltage or current (such…
The Q factor of a series inductive circuit is given by the following…
