Single Phase Synchronous Motors Single-phase synchronous motors are…
Generators used in battery-charging systems must be regulated so as to…
The interlock contacts installed in the previous section’s motor…
Don’t just sit there! Build something!! Learning to mathematically…
Project Parts and Materials Automotive alternator (one required, but…
All About Contactors When a relay is used to switch a large amount of…
Most students of electricity begin their study with what is known as…
A very useful tool for observing rotating objects is a strobe light.…
Just as devices have been made to measure certain physical quantities…
Explain the operation of this “H-bridge” motor control circuit: At…
Solid-state switching circuits usually keep their constituent…
A wound rotor induction motor has a stator like a squirrel cage…
Most AC motors are induction motors. Induction motors are favored due…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Stepper Motor vs Servo Motor A stepper motor is a…
How is it possible to electrically measure the torque output by a…
If the ends of a wire loop are attached to two half-circular metal…
A three-phase motor may be run from a single-phase power source.…
The variable reluctance motor is based on the principle that an…
Electromechanical watt-hour meters use an aluminum disk that is spun…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
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 mathematically…
A wound rotor induction motor has a stator like a squirrel cage…
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to analyze digital…
Project Parts and Materials Automotive alternator (one required, but…
Pulse Width Modulation (PWM) uses digital signals to control power…
Brushless DC motors were developed from conventional brushed DC motors…
If the ends of a wire loop are attached to two half-circular metal…
Calculate the voltage output by the secondary winding of a transformer…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Charles Proteus Steinmetz’s first job after arriving in America…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Don’t just sit there! Build something!! Learning to analyze digital…
Read the following quotation, and then research the term…
A tool designed to convert between units of torque
Most students of electricity begin their study with what is known as…
It is sometimes said regarding electrical safety that, Ït’s not the…
The field effect transistor was proposed by Julius Lilienfeld in US…
Most AC motors are induction motors. Induction motors are favored due…
A diode is an electronics component made from a combination of a…
The table of electric currents and their various bodily effects was…
Notice something important here: taking the derivative of f(x)…
As an example of using several circuits together, we are going to make…
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…
Most electrical wire is covered in a rubber or plastic coating called…
What is Norton’s Theorem? Norton’s Theorem states that it…
PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…
Write the following exponential expressions in expanded form: 101 =…
In any electrically conductive substance, what are charge carriers?…
Don’t just sit there! Build something!! Learning to mathematically…
SPICE is a computer program designed to simulate analog electronic…
Another variation on a theme of bistable multivibrators is the J-K…
The bipolar junction transistor (BJT) was named because its operation…
Like its bipolar cousin, the field-effect transistor may be used as an…
