A bistable multivibrator has two stable states, as indicated by the…
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.
What does the normal status of an electrical switch refer to?…
Electromechanical relays used to start and stop high-power electric…
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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Any kind of switch contact can be designed so that the contacts…
Don’t just sit there! Build something!! Learning to mathematically…
What do you think this logic buffer gate will do, with the output…
In ladder logic symbolism, an electromechanical relay coil is shown as…
Don’t just sit there! Build something!! Learning to mathematically…
All About Contactors When a relay is used to switch a large amount of…
Don’t just sit there! Build something!! Learning to analyze digital…
Just as devices have been made to measure certain physical quantities…
A practical application of switch and relay logic is in control…
Solid-state switching circuits usually keep their constituent…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
How is it possible to electrically measure the torque output by a…
If we take the equivalent circuit of an SCR and add another external…
Though it may seem strange to cover the elementary topic of electrical…
A switch is an electrical component that can “make” or…
Pulse Width Modulation (PWM) uses digital signals to control power…
We can construct a simple logic functions for our hypothetical lamp…
All About Contactors When a relay is used to switch a large amount of…
Like its bipolar cousin, the field-effect transistor may be used as an…
Before the advent of solid-state logic circuits, logical control…
We’ve already seen one example of a monostable multivibrator in…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
A bistable multivibrator has two stable states, as indicated by the…
Bipolar junction transistors (Also known as BJTs) can be used as an…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Charles Proteus Steinmetz’s first job after arriving in America…
Normally, the ampacity rating of a conductor is a circuit design…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
This calculator helps determine the maximum temperature a device can withstand
Perhaps the most challenging aspect of interpreting ladder diagrams,…
A tool designed to convert between units of torque
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
What, exactly, is necessary to establish electrical continuity between…
PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…
There are two basic Ohm’s Law equations: one relating voltage,…
Don’t just sit there! Build something!! Learning to mathematically…
There are three basic factors of capacitor construction determining…
Electromechanical relays used to start and stop high-power electric…
When a switch is actuated and contacts touch one another under the…
While the C-B (common-base) amplifier is known for wider bandwidth…
How to Create a Band-stop Filter? Also called band-elimination,…
Perhaps the most ingenious technique was that of the delay line. A…
A multiplexer, abbreviated mux, is a device that has multiple inputs…
Don’t just sit there! Build something!! Learning to mathematically…
Three-phase Wye(Y) Connection Initially, we explored the idea of…
While Oersted’s surprising discovery of electromagnetism paved…
Impedance Matching Because transformers can step voltage and current…
De Forest’s Audion tube came to be known as the triode tube…
All About Diodes A diode is an electrical device allowing current to…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
