A rheostat (variable resistor) and a switch are both examples of…
In this circuit, three resistors receive the same amount of current (4…
Learn About L/R Time Constants It is often perplexing to new students…
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.
Every meter impacts the circuit it is measuring to some extent, just…
Generally speaking, how many “time constants” worth of time does…
As we saw with DC measurement circuits, the circuit configuration…
Using the same value components in our series example circuit, we will…
The Q, or quality, factor of a resonant circuit is a measure of the…
Don’t just sit there! Build something!! Learning to mathematically…
How is it possible to electrically measure the torque output by a…
Don’t just sit there! Build something!! Learning to mathematically…
In the last section, we learned what would happen in simple…
As with inductors, the ideal capacitor is a purely reactive device,…
Over the course of learning about electricity, you will want to…
Solve this equation for the value of x: x + 5 = 8 How many exact…
In the common-emitter section of this chapter, we saw a SPICE analysis…
A modern method of electrical power control involves inserting a…
Don’t just sit there! Build something!! Learning to mathematically…
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
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 peak detector is a series connection of a diode and a…
A switch can be constructed with any mechanism bringing two conductors…
The electrons of different types of atoms have different degrees of…
This calculator determines the bias and feedback of resistors for an inverting op-amp.
While Oersted’s surprising discovery of electromagnetism paved…
Although transistor switching circuits operate without bias, it is…
Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! Electronic power conversion circuits known…
Designing Wire Resistance Conductor ampacity rating is a crude…
A rheostat (variable resistor) and a switch are both examples of…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
If some percentage of an amplifier’s output signal is connected…
Pure resistive AC circuit: voltage and current are in phase. …
The circuit in the previous section is not a very practical one. In…
Introduction Whenever an electric voltage exists between two separated…
There are three basic factors of capacitor construction determining…
Reactive Power We know that reactive loads such as inductors and…
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
Capacitance Formula Permittivity of Dielectric …
Don’t just sit there! Build something!! Learning to mathematically…
Single phase power system schematic diagram shows little about the…
A permanent magnet is a device that retains a magnetic field without…
Using an electrical meter safely and efficiently is perhaps the most…
The Functionality of Diode Polarity Being able to determine the…
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Capacitors Vs. Resistors Capacitors do not behave the same as…
What is Kirchhoff’s Voltage Law (KVL)? The principle known as…
“The nice thing about standards is that there are so many of…
The final transistor amplifier configuration (Figure below) we need to…
Incomplete
Early computer science pioneers such as Alan Turing and John Von…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
So far, we’ve only been able to escape the sheer volume of…
Although the prime intent of octal and hexadecimal numeration systems…
Seebeck Effect An interesting phenomenon applied in the field of…
The benefits of scientific notation do not end with ease of writing…
RELATED WORKSHEETS: JFET Amplifiers Worksheet
A common topology for DC-AC power converter circuits uses a pair of…
