Because capacitors store energy in the form of an electric field, they…
By definition, a low-pass filter is a circuit offering easy passage to…
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
So far, the filter designs we’ve concentrated on have employed…
Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Let’s take the following example circuit and analyze it: …
Don’t just sit there! Build something!! Learning to mathematically…
Capacitors do not have a stable “resistance” as conductors…
Inductors have the exact opposite characteristics of capacitors.…
Generators used in battery-charging systems must be regulated so as to…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
In an ideal case, an inductor acts as a purely reactive device. That…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
Remember that this tutorial is not exhaustive by any means, and that…
There’s a sure way to calculate any of the values in a reactive…
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Learn About L/R Time Constants It is often perplexing to new students…
In this circuit, three resistors receive the same amount of current (4…
Don’t just sit there! Build something!! Learning to mathematically…
Inductive Reactance Capacitive Reactance …
If some percentage of an amplifier’s output signal is connected…
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Don’t just sit there! Build something!! Learning to mathematically…
Early in my explorations of electricity, I came across a length of…
When a transistor is in the fully-off state (like an open switch), it…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.
Our exploration of thyristors begins with a device called the…
A modern method of electrical power control involves inserting a…
Capacitors, like all electrical components, have limitations that must…
You might have noticed on the table for specific resistances that all…
Introduction Whenever an electric voltage exists between two separated…
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.
A similar effect happens in series inductive/capacitive circuits. When…
If a sinusoidal voltage is applied to an impedance with a phase angle…
A very common misconception students have about potentiometers is the…
In this introduction to parallel resistance circuits, we will explain…
Don’t just sit there! Build something!! Learning to mathematically…
Convert to and from different units of length, weight, power, temperature and torque
So far, we’ve observed simulations of transformers where the…
A practical application of switch and relay logic is in control…
A tool designed to compute the values to be used in a T-match Impedance Circuit
Like its bipolar cousin, the field-effect transistor may be used as an…
In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
You might have been wondering how charges can continuously flow in a…
Don’t just sit there! Build something!! Learning to mathematically…
A switch can be constructed with any mechanism bringing two conductors…
Solving for x in a given polynomial equation “ax2 + bx + c…
A transistor is a semiconductor device that controls current with the…
Behaviors of Inductors wrapped around a Conductive Core Suppose we…
What is the difference between a JMP (“jump”) instruction and a…
What is the purpose of a seven-segment decoder circuit? What is a…
Research the FCC (Federal Communication Commission) guidelines on…
A waveguide is a special form of transmission line consisting of a…
This calculator computes for the output pulse width of a 555 timer monostable circuit
One of the more fascinating applications of electricity is in the…
Contributors to this chapter are listed in chronological order of…