Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to analyze relay…
Though it may seem strange to cover the elementary topic of electrical…
Don’t just sit there! Build something!! Learning to mathematically…
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 popular use of diodes is for the mitigation of inductive…
Don’t just sit there! Build something!! Learning to mathematically…
Generators used in battery-charging systems must be regulated so as to…
Electricity and Magnetism An electric current through a conductor will…
Don’t just sit there! Build something!! Learning to mathematically…
Any kind of switch contact can be designed so that the contacts…
How is it possible to electrically measure the torque output by a…
Most ohmmeters of the design shown in the previous section utilize a…
What does the normal status of an electrical switch refer to?…
All About Contactors When a relay is used to switch a large amount of…
A switch can be constructed with any mechanism bringing two conductors…
We can construct a simple logic functions for our hypothetical lamp…
Electromechanical relays used to start and stop high-power electric…
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Just as devices have been made to measure certain physical quantities…
The variable reluctance motor is based on the principle that an…
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
We’ve already seen one example of a monostable multivibrator in…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
SCRs are unidirectional (one-way) current devices, making them useful…
In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
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.
Counting practice: count from zero to thirty-one in binary, octal, and…
Electromechanical relays used to start and stop high-power electric…
The Q factor of a series inductive circuit is given by the following…
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.
Counting practice: count from zero to thirty-one in binary, octal, and…
In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
If the ends of a wire loop are attached to two half-circular metal…
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.
What is the purpose of the switch shown in this schematic diagram?
The structure behind ladder logic is based on the electrical ladder…
A bistable multivibrator has two stable states, as indicated by the…
Though it may seem strange to cover the elementary topic of electrical…
Remember that vectors are mathematical objects just like numbers on a…
When we store information in some kind of circuit or device, we not…
Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.
A tool designed to calculate the characteristic impedance of a twisted-pair cable
If we connect the output of an op-amp to its inverting input and apply…
In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.
The discovery of the relationship between magnetism and electricity…
Contributors to this chapter are listed in chronological order of…
As lengthy as this chapter has been up to this point, it only begins…
The Inductance Formula Wheeler’s formulas for…
When plotted on a curve tracer, the characteristic curve for a normal…
This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
Like all electrical and electronic components, transistors are limited…
Synchronous motors load the power line with a leading power factor.…
In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
A helpful analogy for understanding divided feedback amplifier…
Determine the output voltage polarity of this op-amp (with reference…
There was some historic crude, but usable were some historic crude,…
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
When first approaching a failed or otherwise misbehaving system, the…
