Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
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.
Textbook
If an electric current is passed through this wire, which direction…
Worksheets - Appliances
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.
Textbook
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - Appliances
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
A chandelier has five light bulbs in it, and one of them is not…
Worksheets - Appliances
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
AC Motors Perhaps the most important benefit of polyphase AC power…
Textbook
Shaded Pole Induction Motor An easy way to provide starting torque to…
Textbook
Just as devices have been made to measure certain physical quantities…
Textbook
Most AC motors are induction motors. Induction motors are favored due…
Textbook
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
Textbook
As an electric current is passed through a coil of wire, it creates a…
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A very useful tool for observing rotating objects is a strobe light.…
Worksheets - Appliances
If the ends of a wire loop are attached to two half-circular metal…
Worksheets - Appliances
A three-phase motor may be run from a single-phase power source.…
Textbook
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Appliances
Brushless DC motors were developed from conventional brushed DC motors…
Textbook
A common class of operation used in radio-frequency (RF) amplifier…
Worksheets - Appliances
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Textbook
So far, we’ve only been able to escape the sheer volume of…
Textbook
What Is an XOR Gate? One element conspicuously missing from the set of…
Textbook
A modern alternative to sending (binary) digital information via…
Textbook
Insulated gate field-effect transistors are unipolar devices just like…
Textbook
As a first example of useful combinational logic, let’s build a…
Textbook
Textbook
∫f(x) dx Calculus alert! One of the fundamental principles of…
Worksheets - Appliances
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Appliances
Identify each of these logic gates by name, and complete their…
Worksheets - Appliances
Let’s count from zero to twenty using four different kinds of…
Textbook
Let us begin our exploration of Boolean algebra by adding numbers…
Textbook
Mathematicians use Venn diagrams to show the logical relationships of…
Textbook
With simple gate and combinational logic circuits, there is a definite…
Textbook
As we’ve already learned, electricity requires a complete path…
Textbook
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
Tools
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Worksheets - Appliances
Circuits consisting of just one battery and one load resistance are…
Textbook
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