The atoms in insulating materials have very tightly-bound electrons,…
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Constant Rule Rule of Sums Rule of…
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A practical application of switch and relay logic is in control…
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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.
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Older electrical schematics showed connecting wires crossing, while…
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SPICE analysis of Electrical Isolation Aside from the ability to…
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In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.
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The Law of Sines (for any triangle) The Law of Cosines (for any…
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It should be common-sense knowledge that liquids flow through…
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By now you should be well aware of the correlation between electrical…
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What are Simultaneous Equations and Systems of Equations? The terms…
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In ladder logic symbolism, an electromechanical relay coil is shown as…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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Wiring for AC and DC power distribution branch circuits are color…
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The concept and measurement units of resistance are most often used…
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What, exactly, is necessary to establish electrical continuity between…
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The Parallel Wires of Infinite Length Suppose, though, that we had a…
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Given two lengths of metal wire, which one will have the least…
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Note: this is a very unique and useful property of e. As in…
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Wiring Color Codes Infographic. Released under the Creative Commons…
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This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
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The Programmable Logic Controller, or PLC, was invented in the late…
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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.
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In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.
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Wiring Color Codes Infographic. Released under the Creative Commons…
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Since transformers are essentially AC devices, we need to be aware of…
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What is a Synchronous Counter? A synchronous counter, in contrast to…
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A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Tools
In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
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Larger Karnaugh maps reduce larger logic designs. How large is large…
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In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
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This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Tools
Capacitors do not have a stable “resistance” as conductors…
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Another strategy for addressing the problem of secondary electrons…
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To overcome the challenge of creating necessary DC bias voltage for an…
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Fallacious reasoning and poor interpersonal relations account for more…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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The smaller the cross-sectional area of any given wire, the greater…
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In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
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Shown here is the schematic symbol for a resistor: What is the purpose…
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The invention of the bipolar transistor in 1948 ushered in a…
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If an electric current is passed through this wire, which direction…
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Up until this point, our analysis of transistor logic circuits has…
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A thyristor is a device that has a number of unusual characteristics.…
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Transformers with Multiple Secondaries Transformers are very versatile…
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Determine if the light bulb will de-energize for each of the following…
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Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
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There are three basic factors of capacitor construction determining…
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An ideal transistor would show 0% distortion in amplifying a signal.…
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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Don’t just sit there! Build something!! Learning to mathematically…
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Another strategy for addressing the problem of secondary electrons…
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Let’s analyze a simple series circuit and determine the voltage…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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A permanent magnet is a device that retains a magnetic field without…
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Our exploration of thyristors begins with a device called the…
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In instrumentation circuitry, DC signals are often used as analog…
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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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Write the following exponential expressions in expanded form: 101 =…
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