Explain the operation of this “H-bridge” motor control circuit: At…
It is sometimes said regarding electrical safety that, Ït’s not the…
Before the advent of solid-state logic circuits, logical control…
After applying some of the general troubleshooting tips to narrow the…
Shaded Pole Induction Motor An easy way to provide starting torque to…
This calculator will convert pressure values to ten different standard units for pressure.
Don’t just sit there! Build something!! Learning to mathematically…
The interlock contacts installed in the previous section’s motor…
The Q factor of a series inductive circuit is given by the following…
This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
With this lesson, I hope to avoid a common mistake found in…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Stepper Motor vs Servo Motor A stepper motor is a…
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
Single Phase Synchronous Motors Single-phase synchronous motors are…
Don’t just sit there! Build something!! Learning to mathematically…
The SPICE circuit simulation program provides for modeling diodes in…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Calculate the voltage output by the secondary winding of a transformer…
Solid-state switching circuits usually keep their constituent…
A thyristor is a device that has a number of unusual characteristics.…
A three-phase motor may be run from a single-phase power source.…
Determine what the magnitude and polarity of the voltmeter’s…
The smaller the cross-sectional area of any given wire, the greater…
The Law of Sines (for any triangle) The Law of Cosines (for any…
Because capacitors store energy in the form of an electric field, they…
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to analyze digital…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Older electrical schematics showed connecting wires crossing, while…
Read the following quotation, and then research the term…
To express a quantity in a different metric prefix from how it was…
Practical Benefit of Active Devices The practical benefit of active…
In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
What is the difference between DC and AC electricity? Identify some…
This calculator helps you compute the inductance of a rectangle loop.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
A technician uses a stroboscope to “freeze” the rotation of a…
There was some historic crude, but usable were some historic crude,…
Instantaneous Values in AC Circuits Pure resistive AC circuit:…
The first, and perhaps most important, relationship between current,…
Don’t just sit there! Build something!! Learning to analyze digital…
All entries arranged in alphabetical order of surname. Major…
Don’t just sit there! Build something!! Learning to mathematically…
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
This page will walk you step-by-step through the process of…
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
When a PCB designer speaks of dimensions in thous or mils, what does…
To overcome the challenge of creating necessary DC bias voltage for an…
Don’t just sit there! Build something!! Learning to mathematically…
Over the course of learning about electricity, you will want to…
Ohm’s Law also makes intuitive sense if you apply it to the…
In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.
Limitations of Electromechanical Relays As versatile as…
Since Thevenin’s theorem and Norton’s theorems are two…
In this electrical circuit, trace the direction of current through the…
In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.
