Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Electromechanical
A three-phase motor may be run from a single-phase power source.…
Textbook
Stepper Motor vs Servo Motor A stepper motor is a…
Textbook
Transformers with Multiple Secondaries Transformers are very versatile…
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
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Worksheets - Electromechanical
In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
Textbook
The interlock contacts installed in the previous section’s motor…
Textbook
Ladder diagrams are specialized schematics commonly used to document…
Textbook
SCRs are unidirectional (one-way) current devices, making them useful…
Textbook
In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
Textbook
Logic circuits, whether comprised of electromechanical relays or…
Textbook
Electricity and Magnetism An electric current through a conductor will…
Textbook
A wound rotor induction motor has a stator like a squirrel cage…
Textbook
“All men are liable to error;” —John Locke Whereas…
Textbook
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Tools
Most students of electricity begin their study with what is known as…
Textbook
Thyristors are a class of semiconductor components exhibiting…
Textbook
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
Textbook
A permanent magnet is a device that retains a magnetic field without…
Worksheets - Electromechanical
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
The following problems are arranged in order from most likely to least…
Textbook
When calculating the power dissipation of resistive components, we can…
Textbook
Shown here is a simplified representation of an atom: the smallest…
Worksheets - Electromechanical
What is an Insulated Gate Bipolar Transistor (IGBT), and what…
Worksheets - Electromechanical
In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.
Textbook
All entries arranged in alphabetical order of surname. Major…
Textbook
Bipolar transistors are constructed of a three-layer semiconductor…
Textbook
Textbook
What is Conductance? In the study of DC circuits, the student of…
Textbook
When a transistor is in the fully-off state (like an open switch), it…
Textbook
Provide a definition for phasor, as the term applies to electrical…
Worksheets - Electromechanical
The benefits of scientific notation do not end with ease of writing…
Textbook
“All men are liable to error;” —John Locke Whereas…
Textbook
There are many different types of power sources, and here some of the…
Textbook
Tables of specific resistance and temperature coefficient of…
Textbook
<p> Contributors to this chapter are listed in chronological…
Textbook
Additive Identity a + 0 = a Multiplicative Identity 1a = a…
Textbook
In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
Textbook
In this electrical circuit, trace the direction of current through the…
Worksheets - Electromechanical
In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
Textbook
In the previous section, we saw a circuit using one J-K flip-flop that…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
Shift registers, like counters, are a form of sequential…
Textbook
In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
Textbook
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
Textbook
In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.
Textbook
Testing a JFET with a multimeter might seem to be a relatively easy…
Textbook
The final transistor amplifier configuration (Figure below) we need to…
Textbook
Metric Prefixes Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…
Textbook
Explain the principle of operation for the particular integrated…
Worksheets - Electromechanical
Learn About L/R Time Constants It is often perplexing to new students…
Textbook
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Tools
Additive Identity a + 0 = a Multiplicative Identity 1a = a…
Textbook
Cathode: This is the electrode that is heated and emits the…
Textbook
A high-pass filter’s task is just the opposite of a low-pass…
Textbook
When the need arises to correct for poor power factor in an AC power…
Textbook
In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
Textbook
Circuits consisting of just one battery and one load resistance are…
Textbook
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