In simple AC power systems, one of the two conductors is typically…
This calculator will help compute the inductance of a length of wire.
Older electrical schematics showed connecting wires crossing, while…
This tool is designed to calculate the inductance of two parallel wires
A practical application of switch and relay logic is in control…
Early in my explorations of electricity, I came across a length of…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
The atoms in insulating materials have very tightly-bound electrons,…
Ladder diagrams are specialized schematics commonly used to document…
A switch can be constructed with any mechanism bringing two conductors…
In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
Constant Rule Rule of Sums Rule of…
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.
In any electrically conductive substance, what are charge carriers?…
The electrons of different types of atoms have different degrees of…
The smaller the cross-sectional area of any given wire, the greater…
This calculator will solve for either distance, time, or speed given two of the three parameters.
Three-phase Wye(Y) Connection Initially, we explored the idea of…
What, exactly, is necessary to establish electrical continuity between…
(“c” being a constant) RELATED…
Define the following terms: energy, work, and power.
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
Don’t just sit there! Build something!! Learning to mathematically…
Thyristors are a broad classification of bipolar-conducting…
Long before the advent of digital electronic technology, computers…
We know that the current in a series circuit may be calculated with…
Contributors to this chapter are listed in chronological order of…
A special type of relay is one that monitors the current, voltage,…
When a transistor is in the fully-off state (like an open switch), it…
So far, the phenomenon of resonance appears to be a useless curiosity,…
Shown here is the schematic symbol for a resistor: What is the purpose…
In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to mathematically…
It is sometimes said regarding electrical safety that, Ït’s not the…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
Because batteries create current flow in a circuit by exchanging…
Ammeters Measure Electrical Current A meter designed to measure…
SPICE analysis of Electrical Isolation Aside from the ability to…
This tool is designed to calculate the inductance of two parallel wires
The circuit in the previous section is not a very practical one. In…
Limitations of Electromechanical Relays As versatile as…
When lightning strikes, nearby magnetic compass needles may be seen to…
The Maximum Power Transfer Theorem is not so much a means of analysis…
Many different equations used in the analysis of electric circuits may…
Once again, when building battery/resistor circuits, the student or…
At first it may seem pointless to have the four buffer gates following…
Identify each of these logic gates by name, and complete their…
Another type of mathematical identity, called a “property”…
Calculate circuit parameters using Ohm's Law
This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit
Introduction This third volume of the book series Lessons In Electric…
The manufacture of only silicon based semiconductors is described…
If we take three equal resistors and connect one end of each to a…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
Over the course of the next few chapters, you will learn that AC…
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Inductive Reactance Capacitive Reactance …
Contributors to this chapter are listed in chronological order of…