All About Contactors When a relay is used to switch a large amount of…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Just as devices have been made to measure certain physical quantities…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the operation of this “H-bridge” motor control circuit: At…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Most AC motors are induction motors. Induction motors are favored due…
A three-phase motor may be run from a single-phase power source.…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Solid-state switching circuits usually keep their constituent…
Most students of electricity begin their study with what is known as…
Stepper Motor vs Servo Motor A stepper motor is a…
A wound rotor induction motor has a stator like a squirrel cage…
The variable reluctance motor is based on the principle that an…
A very useful tool for observing rotating objects is a strobe light.…
How is it possible to electrically measure the torque output by a…
Generators used in battery-charging systems must be regulated so as to…
The interlock contacts installed in the previous section’s motor…
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
If the ends of a wire loop are attached to two half-circular metal…
Calculate the voltage output by the secondary winding of a transformer…
Read the following quotation, and then research the term…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
At first it may seem pointless to have the four buffer gates following…
If the ends of a wire loop are attached to two half-circular metal…
A chandelier has five light bulbs in it, and one of them is not…
The armature windings of your DC motor will have very low resistance.…
Don’t just sit there! Build something!! Learning to mathematically…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Explain the operation of this “H-bridge” motor control circuit: At…
A three-phase motor may be run from a single-phase power source.…
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
A very useful tool for observing rotating objects is a strobe light.…
Normally, the rotor windings of a wound rotor induction motor are…
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
A wound rotor induction motor has a stator like a squirrel cage…
The interlock contacts installed in the previous section’s motor…
In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Just as devices have been made to measure certain physical quantities…
Capacitors, like all electrical components, have limitations that must…
A voltage multiplier is a specialized rectifier circuit producing…
The structure behind ladder logic is based on the electrical ladder…
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.
Buses and networks are designed to allow communication to occur…
If we examine a four-bit binary count sequence from 0000 to 1111, a…
Don’t just sit there! Build something!! Learning to analyze digital…
An unbalanced Wheatstone bridge cannot be solved using simple series…
A tool designed to calculate the power density of an antenna
In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.
The SPICE circuit simulation program provides for modeling diodes in…
As we’ve already learned, electricity requires a complete path…
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
SCRs are unidirectional (one-way) current devices, making them useful…
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.
To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
Our next transistor configuration to study is a bit simpler for gain…
Don’t just sit there! Build something!! Learning to mathematically…