Capacitors, like all electrical components, have limitations that must…
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.
Introduction Whenever an electric voltage exists between two separated…
Don’t just sit there! Build something!! Learning to mathematically…
Learn About L/R Time Constants It is often perplexing to new students…
In simple reactive circuits with little or no resistance, the effects…
Don’t just sit there! Build something!! Learning to mathematically…
As we saw with DC measurement circuits, the circuit configuration…
What does the acronym RF stand form, in reference to radio-related…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Remember that this tutorial is not exhaustive by any means, and that…
PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…
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Generators used in battery-charging systems must be regulated so as to…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.
Whenever electrons flow through a conductor, a magnetic field will…
∫f(x) dx Calculus alert! One of the fundamental principles of…
As with inductors, the ideal capacitor is a purely reactive device,…
There’s a sure way to calculate any of the values in a reactive…
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
Behaviors of Inductors wrapped around a Conductive Core Suppose we…
When analyzing complex series and parallel circuits, it is easy to…
We know that the current in a series circuit may be calculated with…
The electrons of different types of atoms have different degrees of…
Whenever electrons flow through a conductor, a magnetic field will…
In this circuit, three resistors receive the same amount of current (4…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
In an ideal case, an inductor acts as a purely reactive device. That…
In the last section, we learned what would happen in simple…
Capacitors store energy in the form of an electric field, and…
If a sinusoidal voltage is applied to an impedance with a phase angle…
Although transistor switching circuits operate without bias, it is…
Because capacitors store energy in the form of an electric field, they…
Don’t just sit there! Build something!! Learning to mathematically…
As was mentioned before, the angle of this “power…
A parallel circuit is often called a current divider for its ability…
How is it possible to electrically measure the torque output by a…
Show how this ammeter would be connected to the light bulb circuit to…
By now you should be well aware of the correlation between electrical…
SPICE is a computer program designed to simulate analog electronic…
Define what noise means, in the electrical sense of the word. How does…
Don’t just sit there! Build something!! Learning to analyze digital…
When an alternator produces AC voltage, the voltage switches polarity…
To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
Contributors to this chapter are listed in chronological order of…
Ohm’s Law also makes intuitive sense if you apply it to the…
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to mathematically…
All entries arranged in alphabetical order of surname. Major…
Don’t just sit there! Build something!! Learning to mathematically…
A common phrase heard in reference to electrical safety goes something…
Normally, the rotor windings of a wound rotor induction motor are…
These are the most common types of resistors available. Resistors…
Don’t just sit there! Build something!! Learning to mathematically…
The concept and measurement units of resistance are most often used…
A helpful tool for calculating the impedance of a wire microstrip.
Sometimes it is necessary to determine the length of time that a…
