Charles Proteus Steinmetz’s first job after arriving in America…
Normally, the rotor windings of a wound rotor induction motor are…
Pulse Width Modulation (PWM) uses digital signals to control power…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the operation of this “H-bridge” motor control circuit: At…
Brushless DC motors were developed from conventional brushed DC motors…
As an electric current is passed through a coil of wire, it creates a…
A wound rotor induction motor has a stator like a squirrel cage…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
How is it possible to electrically measure the torque output by a…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Calculate the voltage output by the secondary winding of a transformer…
Just as devices have been made to measure certain physical quantities…
Most students of electricity begin their study with what is known as…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Project Parts and Materials Automotive alternator (one required, but…
All About Contactors When a relay is used to switch a large amount of…
It is sometimes said regarding electrical safety that, Ït’s not the…
If the ends of a wire loop are attached to two half-circular metal…
A chandelier has five light bulbs in it, and one of them is not…
A right triangle is defined as having one angle precisely…
Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…
Since complex numbers are legitimate mathematical entities, just like…
Instantaneous Values in AC Circuits Pure resistive AC circuit:…
RELATED WORKSHEETS: Calculus for Electric Circuits…
Design a passive circuit that will create a "split” ( V/-V) power…
Analog circuits are circuits dealing with signals free to vary from…
Don’t just sit there! Build something!! Learning to mathematically…
Brushless DC motors were developed from conventional brushed DC motors…
What is the purpose of the switch shown in this schematic diagram?
PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…
In this circuit, the electric motor is supposed to turn on whenever…
In electric circuits, the three basic quantities are voltage (E or V),…
It is a common phenomenon for the electrical resistance of a substance…
Read-only memory (ROM) is similar in design to static or dynamic RAM…
The choice of step-down transformers to use in a project such as this…
Because octal and hexadecimal numeration systems have bases that are…
A tool designed to convert RF power from watts to decibels and vice versa
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
