Protective relays are special power-sensing devices whose job it is to…
The interlock contacts installed in the previous section’s motor…
Don’t just sit there! Build something!! Learning to mathematically…
A bistable multivibrator has two stable states, as indicated by the…
All About Contactors When a relay is used to switch a large amount of…
Don’t just sit there! Build something!! Learning to mathematically…
Generators used in battery-charging systems must be regulated so as to…
Any kind of switch contact can be designed so that the contacts…
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What does it mean, in general terms, to encode something? Conversely,…
Don’t just sit there! Build something!! Learning to mathematically…
Though it may seem strange to cover the elementary topic of electrical…
Before the advent of solid-state logic circuits, logical control…
Don’t just sit there! Build something!! Learning to analyze digital…
Counting practice: count from zero to thirty-one in binary, octal, and…
Electromechanical relays used to start and stop high-power electric…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
How is it possible to electrically measure the torque output by a…
Solid-state switching circuits usually keep their constituent…
The discovery of the relationship between magnetism and electricity…
Pulse Width Modulation (PWM) uses digital signals to control power…
A wound rotor induction motor has a stator like a squirrel cage…
How is it possible to electrically measure the torque output by a…
Shaded Pole Induction Motor An easy way to provide starting torque to…
PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…
Most AC motors are induction motors. Induction motors are favored due…
Any kind of switch contact can be designed so that the contacts…
Solid-state switching circuits usually keep their constituent…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Charles Proteus Steinmetz’s first job after arriving in America…
This calculator helps determine the maximum temperature a device can withstand
Ladder diagrams are specialized schematics commonly used to document…
Brushless DC motors were developed from conventional brushed DC motors…
Thyristors are a class of semiconductor components exhibiting…
The Q factor of a series inductive circuit is given by the following…
It is very important to keep in mind that the “normal”…
Every meter impacts the circuit it is measuring to some extent, just…
We can construct a simple logic functions for our hypothetical lamp…
Generators used in battery-charging systems must be regulated so as to…
Stepper Motor vs Servo Motor A stepper motor is a…
RELATED WORKSHEETS: JFET Amplifiers Worksheet
One method of addressing the digital ramp ADC’s shortcomings is…
If the burden of two systems of measurement for common quantities…
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
A tool designed to calculate the noise figure of cascaded amplifiers
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Real operational amplifiers have some imperfections compared to an…
How to Create a Band-stop Filter? Also called band-elimination,…
PARTS AND MATERIALS Two 6-volt batteries Four NPN…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Add the following binary numbers:
Figure below shows a photodiode amplifier for measuring low levels of…
Certain substances are known to physically deform (shorten or…
Since complex numbers are legitimate mathematical entities, just like…
A parallel circuit is often called a current divider for its ability…
PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…
This calculator computes for the output pulse width of a 555 timer monostable circuit
In order to build the circuits described in this volume, you will need…
It is sometimes said regarding electrical safety that, Ït’s not the…
