Early in my explorations of electricity, I came across a length of…
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What, exactly, is necessary to establish electrical continuity between…
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A switch can be constructed with any mechanism bringing two conductors…
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Note: this is a very unique and useful property of e. As in…
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Of course, there is a danger of electrical shock when directly…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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A right triangle is defined as having one angle precisely…
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Wiring Color Codes Infographic. Released under the Creative Commons…
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The atoms in insulating materials have very tightly-bound electrons,…
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In ladder logic symbolism, an electromechanical relay coil is shown as…
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Over the course of learning about electricity, you will want to…
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This calculator will help compute the inductance of a length of wire.
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This tool is designed to calculate the inductance of two parallel wires
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Designing Wire Resistance Conductor ampacity rating is a crude…
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The wires between the tank and the monitoring location is called…
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Older electrical schematics showed connecting wires crossing, while…
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A chandelier has five light bulbs in it, and one of them is not…
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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.
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Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
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(“c” being a constant) RELATED…
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What is Attenuators? Attenuators are passive devices. It is…
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At the beginning of this chapter, it illustrates how transistors could…
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A calculator for computing several parameters needed in the design of a flyback switch mode regulator
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A modern alternative to sending (binary) digital information via…
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How is it possible to assign a fixed value of voltage or current (such…
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When a switch is actuated and contacts touch one another under the…
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In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
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Explain how a moving-coil, or dynamic microphone works. Identify how…
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Transformers with Multiple Secondaries Transformers are very versatile…
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Long before the advent of digital electronic technology, computers…
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Certain substances are known to physically deform (shorten or…
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Valence: The electrons in the outermost shell, or valence shell, are…
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Up until this point, our analysis of transistor logic circuits has…
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Like all electrical and electronic components, transistors are limited…
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In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
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What does the acronym RF stand form, in reference to radio-related…
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This calculator computes the inductance of a wire coil.
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If we examine a four-bit binary count sequence from 0000 to 1111, a…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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It is very important to keep in mind that the “normal”…
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Typically, complex circuits are not arranged in nice, neat, clean…
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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.
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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.
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Read the following quotation, and then research the term…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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Just as devices have been made to measure certain physical quantities…
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Power in an electric circuit is the product (multiplication) of…
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Pure resistive AC circuit: voltage and current are in phase. …
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Don’t just sit there! Build something!! Learning to analyze digital…
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Wire-by-Number project: simple voltage divider Description: Build a…
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What is Kirchhoff’s Voltage Law (KVL)? The principle known as…
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Voltage is commonly defined as “electrical pressure.” The unit of…
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This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
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There are three major kinds of power supplies: unregulated (also…
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Logic circuits, whether comprised of electromechanical relays or…
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What, exactly, is necessary to establish electrical continuity between…
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Convert to and from different units of length, weight, power, temperature and torque
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A special type of relay is one that monitors the current, voltage,…
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Another variation on a theme of bistable multivibrators is the J-K…
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