Over the course of learning about electricity, you will want to…
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Generally speaking, how many “time constants” worth of time does…
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Transformers with Multiple Secondaries Transformers are very versatile…
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In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
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Don’t just sit there! Build something!! Learning to mathematically…
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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.
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Since three-phase is used so often for power distribution systems, it…
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Explain the principle of operation for the particular integrated…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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Explain how a moving-coil, or dynamic microphone works. Identify how…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Though mechanical ohmmeter (resistance meter) designs are rarely used…
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What voltage will you choose to use for each of the station batteries?
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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JFETs, like bipolar transistors, are able to “throttle”…
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The bipolar junction transistor (BJT) was named because its operation…
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In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
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In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
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An oscilloscope is a very useful piece of electronic test equipment.…
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In the simplest terms you can think of, define what an electrical…
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Another type of mathematical identity, called a “property”…
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Normally, the ampacity rating of a conductor is a circuit design…
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Contributors to this chapter are listed in chronological order of…
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In the last section, we saw how the 3rd harmonic and all of its…
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So far, the filter designs we’ve concentrated on have employed…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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In this circuit, three resistors receive the same amount of voltage…
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This article explains the step-by-step process for determining the…
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What is Rectification? Now we come to the most popular application of…
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This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit
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A permanent magnet is a device that retains a magnetic field without…
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Don’t just sit there! Build something!! Learning to mathematically…
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Like bipolar transistors, SCRs and TRIACs are also manufactured as…
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∫f(x) dx Calculus alert! One of the fundamental principles of…
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Factoring Identities : a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…
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In an ideal case, an inductor acts as a purely reactive device. That…
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In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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Let us begin our exploration of Boolean algebra by adding numbers…
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Introduction This third volume of the book series Lessons In Electric…
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Up to this point we have considered logic reduction problems where…
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The Programmable Logic Controller, or PLC, was invented in the late…
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When an electric current is passed through a coil of wire, what…
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In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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“I think it is safe to say that no one understands quantum…
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What is Split-Phase Power Systems? Split-phase power systems achieve…
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In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
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What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.
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Once again, when building battery/resistor circuits, the student or…
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Define the following metrological terms: • Uncertainty • Accuracy…
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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.
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The smaller the cross-sectional area of any given wire, the greater…
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One of the more fascinating applications of electricity is in the…
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Suppose a 12 volt lead-acid battery has an internal resistance of 20…
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In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.
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Up until this point, our analysis of transistor logic circuits has…
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It is sometimes desirable to have circuits capable of selectively…
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In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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