A switch can be constructed with any mechanism bringing two conductors…
Textbook
All About Contactors When a relay is used to switch a large amount of…
Textbook
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
It is very important to keep in mind that the “normal”…
Textbook
A practical application of switch and relay logic is in control…
Textbook
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
Before the advent of solid-state logic circuits, logical control…
Textbook
Since three-phase is used so often for power distribution systems, it…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
What are Time-Delay Relays? Some relays are constructed with a kind of…
Textbook
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Textbook
Most ohmmeters of the design shown in the previous section utilize a…
Textbook
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Electromechanical
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.
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What is an Insulated Gate Bipolar Transistor (IGBT), and what…
Worksheets - Electromechanical
Limitations of Electromechanical Relays As versatile as…
Textbook
We can construct a simple logic functions for our hypothetical lamp…
Textbook
What does the normal status of an electrical switch refer to?…
Worksheets - Electromechanical
Though it may seem strange to cover the elementary topic of electrical…
Textbook
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
Worksheets - Electromechanical
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
This calculator helps you compute the characteristic impedance of an embedded microstrip.
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The nonlinearity of material permeability may be graphed for better…
Textbook
With simple gate and combinational logic circuits, there is a definite…
Textbook
Voltage is commonly defined as “electrical pressure.” The unit of…
Worksheets - Electromechanical
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Electromechanical
A right triangle is defined as having one angle precisely…
Textbook
Both soldering irons and soldering guns are tools used in the process…
Worksheets - Electromechanical
In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
Textbook
Real operational amplifiers have some imperfections compared to an…
Textbook
This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.
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In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.
Textbook
In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.
Textbook
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
Radio waves are comprised of oscillating electric and magnetic fields,…
Worksheets - Electromechanical
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.
Textbook
Fundamentally, an amplifier is a device that takes in a low-power…
Worksheets - Electromechanical
With simple series circuits, all components are connected end-to-end…
Textbook
Despite lock-out/tag-out procedures and multiple repetitions of…
Textbook
This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp
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This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
Tools
Mercury Standard Cell Back in the early days of electrical measurement…
Textbook
With this lesson, I hope to avoid a common mistake found in…
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As with inductors, the ideal capacitor is a purely reactive device,…
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Cathode: This is the electrode that is heated and emits the…
Textbook
We can construct a simple logic functions for our hypothetical lamp…
Textbook
The use of variable voltage for instrumentation signals seems a rather…
Textbook
If you’ve ever witnessed a lightning storm, you’ve seen…
Textbook
Power measurement in AC circuits can be quite a bit more complex than…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
When connecting batteries together to form larger “banks”…
Textbook
In the simplest terms you can think of, define what an electrical…
Worksheets - Electromechanical
Explain the principle of operation for the particular integrated…
Worksheets - Electromechanical
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Worksheets - Electromechanical
Explain how a moving-coil, or dynamic microphone works. Identify how…
Worksheets - Electromechanical
The node voltage method of DC network analysis solves for unknown…
Textbook
A parallel circuit is often called a current divider for its ability…
Textbook
In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
Textbook
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