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.
By definition, a low-pass filter is a circuit offering easy passage to…
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Generally speaking, how many “time constants” worth of time does…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
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.
Define the following terms: energy, work, and power.
A switch can be constructed with any mechanism bringing two conductors…
Inductors, like all electrical components, have limitations which must…
Inductors do not have a stable “resistance” as conductors…
Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Don’t just sit there! Build something!! Learning to mathematically…
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.
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.
As with inductors, the ideal capacitor is a purely reactive device,…
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Don’t just sit there! Build something!! Learning to mathematically…
The Q factor of a series inductive circuit is given by the following…
We can take the same components from the series circuit and rearrange…
Don’t just sit there! Build something!! Learning to mathematically…
Because capacitors store energy in the form of an electric field, they…
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.
An inductor is a passive two-terminal electrical component that…
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
Don’t just sit there! Build something!! Learning to mathematically…
The circuit in the previous section is not a very practical one. In…
A popular use of diodes is for the mitigation of inductive…
Identify some of the different types of capacitors, and their…
In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.
This calculator will solve for either distance, time, or speed given two of the three parameters.
Instantaneous Values in AC Circuits Pure resistive AC circuit:…
In this introduction to parallel resistance circuits, we will explain…
Standing waves at the resonant frequency points of an open- or…
The concept and measurement units of resistance are most often used…
Consider a circuit for a single-phase AC power system, where a 120…
In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to analyze relay…
Don’t just sit there! Build something!! Learning to mathematically…
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Digital computers communicate with external devices through ports:…
In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
Because batteries create current flow in a circuit by exchanging…
A rheostat (variable resistor) and a switch are both examples of…
In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Mutual inductors are inductors that capitalize the effect of mutual…
Varicap or varactor diodes A variable capacitance diode is known as a…
A transistor is a semiconductor device that controls current with the…
Computers can be powerful tools if used properly, especially in the…
Let’s connect three AC voltage sources in series and use complex…
A tool designed to compute the values to be used in a T-match Impedance Circuit
A calculator for solving the maximum current a microstrip can handle.
“Garbage in, garbage out.” —Anonymous SPICE…
Note the “50 ohm” rating printed on the jacket of the cable. What…
