Most students of electricity begin their study with what is known as…
Brushless DC motors were developed from conventional brushed DC motors…
Explain the operation of this “H-bridge” motor control circuit: At…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
A three-phase motor may be run from a single-phase power source.…
Normally, the rotor windings of a wound rotor induction motor are…
All About Contactors When a relay is used to switch a large amount of…
Read the following quotation, and then research the term…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Pulse Width Modulation (PWM) uses digital signals to control power…
A very useful tool for observing rotating objects is a strobe light.…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
The interlock contacts installed in the previous section’s motor…
A chandelier has five light bulbs in it, and one of them is not…
A tool designed to convert between units of torque
How is it possible to electrically measure the torque output by a…
Don’t just sit there! Build something!! Learning to analyze digital…
At first it may seem pointless to have the four buffer gates following…
Just as devices have been made to measure certain physical quantities…
Don’t just sit there! Build something!! Learning to mathematically…
If an electric current is passed through this wire, which direction…
Brushless DC motors were developed from conventional brushed DC motors…
Don’t just sit there! Build something!! Learning to mathematically…
If the output of a shift register is fed back to the input. a ring…
It is a common phenomenon for the electrical resistance of a substance…
To enter numbers in scientific notation into a hand calculator, there…
(“c” being a constant) RELATED…
To overcome the challenge of creating necessary DC bias voltage for an…
The Functionality of Diode Polarity Being able to determine the…
Wire-by-Number project: simple voltage divider Description: Build a…
Long before the advent of digital electronic technology, computers…
Our exploration of thyristors begins with a device called the…
Connecting digital circuitry to sensor devices is simple if the sensor…
A meter is any device built to accurately detect and display an…
For bipolar junction transistors, the fundamental measure of…
So far, the phenomenon of resonance appears to be a useless curiosity,…
When an alternator produces AC voltage, the voltage switches polarity…
The electrons of different types of atoms have different degrees of…
How is it possible to assign a fixed value of voltage or current (such…
In very simple, qualitative terms, rate the impedance of capacitors…
Conductors lose all of their electrical resistance when cooled to…
