A modern method of electrical power control involves inserting a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! One of the fundamental principles of…
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Write an equation describing the precise mathematical relationship…
Write an equation describing the precise mathematical relationship…
The Q factor of a series inductive circuit is given by the following…
Introduction Whenever an electric voltage exists between two separated…
There are four basic factors of inductor construction determining the…
As an instructor of electronics, I am called upon frequently to help…
As with inductors, the ideal capacitor is a purely reactive device,…
Define the following terms: energy, work, and power.
Capacitance Formula Permittivity of Dielectric …
In very simple, qualitative terms, rate the impedance of capacitors…
Don’t just sit there! Build something!! Learning to mathematically…
Learn About L/R Time Constants It is often perplexing to new students…
Capacitors do not have a stable “resistance” as conductors…
PARTS AND MATERIALS High-quality “closed-cup” audio…
PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…
So far, the filter designs we’ve concentrated on have employed…
If some percentage of an amplifier’s output signal is connected…
A parallel circuit is often called a current divider for its ability…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
Capacitor Charging and Discharging Experiment Parts and Materials To…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
To overcome the challenge of creating necessary DC bias voltage for an…
The Q, or quality, factor of a resonant circuit is a measure of the…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
On this page, we’ll outline the three principles you should…
As with inductors, the ideal capacitor is a purely reactive device,…
Inductive Reactance Capacitive Reactance …
The circuit in the previous section is not a very practical one. In…
When a transistor is in the fully-off state (like an open switch), it…
PARTS AND MATERIALS High-quality “closed-cup” audio…
The principle of non-sinusoidal, repeating waveforms being equivalent…
A waveguide is a special form of transmission line consisting of a…
Because it takes energy to force charge to flow against the opposition…
How to Create a Band-stop Filter? Also called band-elimination,…
In simple AC power systems, one of the two conductors is typically…
Solve this equation for the value of x: x + 5 = 8 How many exact…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
For ease of drawing complex circuit diagrams, electronic amplifiers…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Contributors to this chapter are listed in chronological order of…
Research the FCC (Federal Communication Commission) guidelines on…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
Don’t just sit there! Build something!! Learning to analyze digital…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
Early in my explorations of electricity, I came across a length of…
This tool is designed to calculate the maximum distance (range) that a radar can detect
As we’ve already learned, electricity requires a complete path…
By introducing electrical reactance into the feedback loops of an…
Power Capacity As has already been observed, transformers must be well…
The half-adder is extremely useful until you want to add more than one…
