After the introduction of the DC electrical distribution system by…
Most students of electricity begin their study with what is known as…
Don’t just sit there! Build something!! Learning to mathematically…
AC Motors Perhaps the most important benefit of polyphase AC power…
Pulse Width Modulation (PWM) uses digital signals to control power…
Calculate the voltage output by the secondary winding of a transformer…
A very useful tool for observing rotating objects is a strobe light.…
Shaded Pole Induction Motor An easy way to provide starting torque to…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Don’t just sit there! Build something!! Learning to analyze digital…
Project Parts and Materials Automotive alternator (one required, but…
The variable reluctance motor is based on the principle that an…
Charles Proteus Steinmetz’s first job after arriving in America…
The interlock contacts installed in the previous section’s motor…
The armature windings of your DC motor will have very low resistance.…
It is sometimes said regarding electrical safety that, Ït’s not the…
As an electric current is passed through a coil of wire, it creates a…
A chandelier has five light bulbs in it, and one of them is not…
A three-phase motor may be run from a single-phase power source.…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.
Add the following binary numbers:
∫f(x) dx Calculus alert! Electronic power conversion circuits known…
Critical temperatures given in Kelvins Material Element/Alloy Critical…
Often in the course of designing and building electrical meter…
Shift registers, like counters, are a form of sequential logic.…
It is sometimes desirable to have circuits capable of selectively…
A calculator for computing the inductance of a coaxial cable.
The invention of the bipolar transistor in 1948 ushered in a…
So far we know that AC voltage alternates in polarity and AC current…
To express a quantity in a different metric prefix from how it was…
In Millman’s Theorem, the circuit is re-drawn as a parallel…
Connecting digital circuitry to sensor devices is simple if the sensor…
An ideal transistor would show 0% distortion in amplifying a signal.…
Don’t just sit there! Build something!! Learning to mathematically…
Normally, the ampacity rating of a conductor is a circuit design…
It is imperative to understand that the type of numeration system used…
While the binary numeration system is an interesting mathematical…
An electrical connector, is an electro-mechanical device used to join…
“With Electronics Workbench, you can create circuit schematics…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
A chandelier has five light bulbs in it, and one of them is not…
A parallel circuit is often called a current divider for its ability…
All About Diodes A diode is an electrical device allowing current to…
An important electrical quantity with no equivalent in DC circuits is…
Often in the course of designing and building electrical meter…
Contributors to this chapter are listed in chronological order of…
An oscilloscope is a very useful piece of electronic test equipment.…
Wiring for AC and DC power distribution branch circuits are color…
When connecting batteries together to form larger “banks”…
Inductors, like all electrical components, have limitations which must…
As we’ve already learned, electricity requires a complete path…
A rheostat (variable resistor) and a switch are both examples of…
A popular use of diodes is for the mitigation of inductive…
All entries arranged in alphabetical order of surname. Major…
Counting practice: count from zero to thirty-one in binary, octal, and…
Try out our Resistor Color Code Calculator in our Tools section.…
So far, we’ve explored tubes which are totally…
Because it takes energy to force charge to flow against the opposition…
