When the need arises to correct for poor power factor in an AC power…
Just like voltmeters, ammeters tend to influence the amount of current…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
To enter numbers in scientific notation into a hand calculator, there…
After applying some of the general troubleshooting tips to narrow the…
Don’t just sit there! Build something!! Learning to mathematically…
Over the course of learning about electricity, you will want to…
The most important component of your voltmeter will be the…
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to mathematically…
“I consider that I understand an equation when I can predict the…
In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
Identify some of the different types of capacitors, and their…
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Determine the output voltage polarity of this op-amp (with reference…
In this circuit, the electric motor is supposed to turn on whenever…
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Note the “50 ohm” rating printed on the jacket of the cable. What…
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.
In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
Since the enable input on a gated S-R latch provides a way to latch…
It is fairly important to use large value resistors (10 MΩ works…
With BogusBus, our signals were very simple and straightforward: each…
The Parallel Wires of Infinite Length Suppose, though, that we had a…
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
If we take three equal resistors and connect one end of each to a…
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
By introducing electrical reactance into the feedback loops of an…
The logic simplification examples that we have done so far could have…
There are circumstances when you may need to analyze a DC reactive…
With simple gate and combinational logic circuits, there is a definite…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Explain how a moving-coil, or dynamic microphone works. Identify how…
Every meter impacts the circuit it is measuring to some extent, just…
Provide a definition for phasor, as the term applies to electrical…
So far, we’ve been analyzing single-battery, single-resistor…
Varicap or varactor diodes A variable capacitance diode is known as a…
In addition to forward voltage drop (Vf) and peak inverse voltage…
In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
The discovery of the relationship between magnetism and electricity…
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
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.
Three-Phase Alternator Let’s take the three-phase alternator…
What do you think this logic buffer gate will do, with the output…
Centuries ago, it was discovered that certain types of mineral rock…
A switch can be constructed with any mechanism bringing two conductors…
A practical application of switch and relay logic is in control…
This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
Contributors to this chapter are listed in chronological order of…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
Let’s take the same components for our series example circuit…
At the beginning of this chapter, it illustrates how transistors could…
The singular reason for learning and using the binary numeration…
Capacitors, like all electrical components, have limitations that must…
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
As an example of using several circuits together, we are going to make…
