If we take the equivalent circuit of an SCR and add another external…
Textbook
Protective relays are special power-sensing devices whose job it is to…
Worksheets - Motors
Though it may seem strange to cover the elementary topic of electrical…
Textbook
Generators used in battery-charging systems must be regulated so as to…
Worksheets - Motors
Since three-phase is used so often for power distribution systems, it…
Textbook
The interlock contacts installed in the previous section’s motor…
Textbook
Most students of electricity begin their study with what is known as…
Textbook
Solid-state switching circuits usually keep their constituent…
Worksheets - Motors
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
Electromechanical relays used to start and stop high-power electric…
Worksheets - Motors
Just as devices have been made to measure certain physical quantities…
Textbook
All About Contactors When a relay is used to switch a large amount of…
Textbook
A bistable multivibrator has two stable states, as indicated by the…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
“All men are liable to error;” —John Locke Whereas…
Textbook
Most ohmmeters of the design shown in the previous section utilize a…
Textbook
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
Shaded Pole Induction Motor An easy way to provide starting torque to…
Textbook
Calculate the voltage output by the secondary winding of a transformer…
Worksheets - Motors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
What does it mean, in general terms, to encode something? Conversely,…
Worksheets - Motors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
Stepper Motor vs Servo Motor A stepper motor is a…
Textbook
Most AC motors are induction motors. Induction motors are favored due…
Textbook
Logic circuits, whether comprised of electromechanical relays or…
Textbook
Synchronous motors load the power line with a leading power factor.…
Textbook
It is very important to keep in mind that the “normal”…
Textbook
(Template)
Worksheets - Motors
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
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.
Textbook
Like its bipolar cousin, the field-effect transistor may be used as an…
Textbook
Every meter impacts the circuit it is measuring to some extent, just…
Textbook
Electromechanical relays used to start and stop high-power electric…
Worksheets - Motors
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
Determine the output voltage polarity of this op-amp (with reference…
Worksheets - Motors
We’ve already seen one example of a monostable multivibrator in…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Motors
Series and Parallel Resistances Series and Parallel…
Textbook
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Tools
The following problems are arranged in order from most likely to least…
Textbook
So far, we’ve observed simulations of transformers where the…
Textbook
At the beginning of this chapter, it illustrates how transistors could…
Textbook
All entries arranged in alphabetical order of surname. Major…
Textbook
The atoms in insulating materials have very tightly-bound electrons,…
Textbook
If you’ve used DOS or UNIX operating systems before in a…
Textbook
What does the normal status of an electrical switch refer to?…
Worksheets - Motors
In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.
Textbook
This calculator will solve for either distance, time, or speed given two of the three parameters.
Tools
Programming a circuit simulation with SPICE is much like programming…
Textbook
When an electric current is passed through a coil of wire, what…
Worksheets - Motors
Shown here is the schematic symbol for a resistor: What is the purpose…
Worksheets - Motors
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Tools