Write an equation describing the precise mathematical relationship…
Inductors do not have a stable “resistance” as conductors…
There’s a sure way to calculate any of the values in a reactive…
Try out our Resistor Color Code Calculator in our Tools section.…
Wiring Color Codes Infographic. Released under the Creative Commons…
A peak detector is a series connection of a diode and a…
Don’t just sit there! Build something!! Learning to mathematically…
Design a passive circuit that will create a "split” ( V/-V) power…
Learn the Power Formula We’ve seen the formula for determining…
Don’t just sit there! Build something!! Learning to mathematically…
The electrons of different types of atoms have different degrees of…
Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
Generators used in battery-charging systems must be regulated so as to…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
In this circuit, three resistors receive the same amount of voltage…
What factors determine where potentiometers Rpot1 and Rpot2 must be…
Don’t just sit there! Build something!! Learning to mathematically…
Capacitor Charging and Discharging Experiment Parts and Materials To…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
A common topology for DC-AC power converter circuits uses a pair of…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
Now that we’ve seen how series and parallel AC circuit analysis…
What do we do if we come across a circuit more complex than the simple…
What is the difference between a JMP (“jump”) instruction and a…
This calculator computes the inductance of a wire coil.
Like all diodes, Shockley diodes are unidirectional devices; that is,…
Inductors have the exact opposite characteristics of capacitors.…
When using conventional current flow, we can trace the direction of…
Figure below shows a photodiode amplifier for measuring low levels of…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
SPICE analysis of Electrical Isolation Aside from the ability to…
Learn About L/R Time Constants It is often perplexing to new students…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
A meter is any device built to accurately detect and display an…
Calculate circuit parameters using Ohm's Law
When an electric current is passed through a coil of wire, what…
Cathode: This is the electrode that is heated and emits the…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
As with inductors, the ideal capacitor is a purely reactive device,…
Temperature coefficient (α) per degree C: Material Element/Alloy…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
Circuits consisting of just one battery and one load resistance are…
Of course, there is a danger of electrical shock when directly…
Just as devices have been made to measure certain physical quantities…
Feedback is a fascinating engineering principle. It can turn a rather…
Our next transistor configuration to study is a bit simpler for gain…
By now you should be well aware of the correlation between electrical…
It is imperative to understand that the type of numeration system used…
Early in my explorations of electricity, I came across a length of…
Consider a circuit for a single-phase AC power system, where a 120…
A tool designed to compute the values to be used in a T-match Impedance Circuit
Let’s connect three AC voltage sources in series and use complex…
A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
Although many textbooks provide good introductions to digital memory…
PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery …
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
Electronics is a science, and a very accessible science at that. With…
