The Parallel Wires of Infinite Length Suppose, though, that we had a…
Don’t just sit there! Build something!! Learning to mathematically…
Solid-state switching circuits usually keep their constituent…
If a block of P-type semiconductor is placed in contact with a block…
Don’t just sit there! Build something!! Learning to mathematically…
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
A wound rotor induction motor has a stator like a squirrel cage…
Safety is very important when designing and/or building a device…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
The word battery simply means a group of similar components. In…
Given two lengths of metal wire, which one will have the least…
Varicap or varactor diodes A variable capacitance diode is known as a…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
This page will walk you step-by-step through the process of…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
What Is a Zener Diode? A Zener diode is a special type of rectifying…
Protective relays are special power-sensing devices whose job it is to…
Since three-phase is used so often for power distribution systems, it…
Radio waves are comprised of oscillating electric and magnetic fields,…
In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
In this electrical circuit, trace the direction of current through the…
In the beam power tube, the basic four-element structure of the…
What does the acronym RF stand form, in reference to radio-related…
When a transistor is in the fully-off state (like an open switch), it…
Reactive Power We know that reactive loads such as inductors and…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
What would happen to this meter movement, if connected directly to a…
During the early development of telephone technology, a unit was…
So far in our discussions on electricity and electric circuits, we…
The first, and perhaps most important, relationship between current,…
The bipolar junction transistor (BJT) was named because its operation…
Diodes can perform switching and digital logic operations. Forward and…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Given two lengths of metal wire, which one will have the least…
To overcome the challenge of creating necessary DC bias voltage for an…
Don’t just sit there! Build something!! Learning to mathematically…
In the beam power tube, the basic four-element structure of the…
A tool designed to convert between units of torque
PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…
Input Voltages for Logic Gates Logic gate circuits are designed to…
A peak detector is a series connection of a diode and a…
Don’t just sit there! Build something!! Learning to mathematically…
Resistors vs. Inductors Inductors do not behave the same way as…
It is fairly important to use large value resistors (10 MΩ works…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
When an alternator produces AC voltage, the voltage switches polarity…
With simple series circuits, all components are connected end-to-end…
Because binary numeration requires so many bits to represent…
Roman Numerals The Romans devised a system that was a substantial…
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
If we connect the output of an op-amp to its inverting input and apply…
This calculator will solve for either distance, time, or speed given two of the three parameters.
An oscilloscope is a very useful piece of electronic test equipment.…
