Don’t just sit there! Build something!! Learning to analyze digital…
Normally, the rotor windings of a wound rotor induction motor are…
With this lesson, I hope to avoid a common mistake found in…
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
The armature windings of your DC motor will have very low resistance.…
Solid-state switching circuits usually keep their constituent…
How is it possible to electrically measure the torque output by a…
A microcontroller is a specialized type of digital computer used to…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Brushless DC motors were developed from conventional brushed DC motors…
Charles Proteus Steinmetz’s first job after arriving in America…
One of the more fascinating applications of electricity is in the…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
A chandelier has five light bulbs in it, and one of them is not…
After applying some of the general troubleshooting tips to narrow the…
At first it may seem pointless to have the four buffer gates following…
In simple AC power systems, one of the two conductors is typically…
The variable reluctance motor is based on the principle that an…
Explain the operation of this “H-bridge” motor control circuit: At…
Stepper Motor vs Servo Motor A stepper motor is a…
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
What does the normal status of an electrical switch refer to?…
Identify the type of logic gate shown in this schematic diagram, and…
Let’s count from zero to twenty using four different kinds of…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Suppose we wished to measure the resistance of some component located…
Note: this is a very unique and useful property of e. As in…
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
Now we can proceed to studying specific types of digital storage…
A transmission line of infinite length is an interesting abstraction,…
What do you think this logic buffer gate will do, with the output…
Anyone who’s studied geometry should be familiar with the…
When a PCB designer speaks of dimensions in thous or mils, what does…
What factors determine where potentiometers Rpot1 and Rpot2 must be…
While the binary numeration system is an interesting mathematical…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
Shaded Pole Induction Motor An easy way to provide starting torque to…
As a first example of useful combinational logic, let’s build a…
Since Thevenin’s theorem and Norton’s theorems are two…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
So far, we’ve observed simulations of transformers where the…
The basic application of Ohm’s law to combinations of series and…
Digital computers communicate with external devices through ports:…
A modern alternative to sending (binary) digital information via…
Shown here is a simplified representation of an atom: the smallest…
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
There are three basic factors of capacitor construction determining…
What will happen to the brightness of the light bulb as the iron core…
A modern method of electrical power control involves inserting a…
In electric circuits, the three basic quantities are voltage (E or V),…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
No text on electrical metering could be called complete without a…
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.
Whenever electrons flow through a conductor, a magnetic field will…
For bipolar junction transistors, the fundamental measure of…
As we saw earlier, a power system with no secure connection to earth…
When a switch is actuated and contacts touch one another under the…
The final transistor amplifier configuration (Figure below) we need to…
