Most students of electricity begin their study with what is known as…
Brushless DC motors were developed from conventional brushed DC motors…
Stepper Motor vs Servo Motor A stepper motor is a…
Pulse Width Modulation (PWM) uses digital signals to control power…
Calculate the voltage output by the secondary winding of a transformer…
The interlock contacts installed in the previous section’s motor…
In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Most AC motors are induction motors. Induction motors are favored due…
After the introduction of the DC electrical distribution system by…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Charles Proteus Steinmetz’s first job after arriving in America…
At first it may seem pointless to have the four buffer gates following…
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to mathematically…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
It is sometimes said regarding electrical safety that, Ït’s not the…
Brushless DC motors were developed from conventional brushed DC motors…
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.
Normally, the rotor windings of a wound rotor induction motor are…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
A permanent magnet is a device that retains a magnetic field without…
In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.
A helpful tool for calculating the impedance of a coaxial cable.
In designing digital circuits, the designer often begins with a truth…
Single phase power system schematic diagram shows little about the…
In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.
In power distribution systems, it is very important to be able to…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Generators used in battery-charging systems must be regulated so as to…
In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
One of the more fascinating applications of electricity is in the…
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
Seeing as how a common meter movement can be made to function as a…
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
Determine if the light bulb will de-energize for each of the following…
Product of Powers Property am an = am+n Power of a Product…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
In this introduction to series resistance circuits, we will explain…
Don’t just sit there! Build something!! Learning to mathematically…
