In ladder logic symbolism, an electromechanical relay coil is shown as…
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Older electrical schematics showed connecting wires crossing, while…
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With BogusBus, our signals were very simple and straightforward: each…
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The Parallel Wires of Infinite Length Suppose, though, that we had a…
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All About Contactors When a relay is used to switch a large amount of…
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Note: this is a very unique and useful property of e. As in…
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SPICE analysis of Electrical Isolation Aside from the ability to…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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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.
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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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This calculator will help compute the inductance of a length of wire.
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An electrical connector, is an electro-mechanical device used to join…
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The circuit in the previous section is not a very practical one. In…
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Early in my explorations of electricity, I came across a length of…
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The atoms in insulating materials have very tightly-bound electrons,…
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A switch can be constructed with any mechanism bringing two conductors…
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Instrumentation is a field of study and work centering on measurement…
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This calculator will solve for either distance, time, or speed given two of the three parameters.
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The concept and measurement units of resistance are most often used…
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The Parallel Wires of Infinite Length Suppose, though, that we had a…
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Note: all angles (x) must be expressed in units of radians for these…
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Circuits consisting of just one battery and one load resistance are…
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What is the purpose of a seven-segment decoder circuit? What is a…
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AC electromechanical meter movements come in two basic arrangements:…
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If vectors with uncommon angles are added, their magnitudes (lengths)…
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This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
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Don’t just sit there! Build something!! Learning to analyze digital…
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Many electronic circuits use what is called a split or a dual power…
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Introduction Whenever an electric voltage exists between two separated…
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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.
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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A principal consideration for industrial control networks, where the…
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Power Capacity As has already been observed, transformers must be well…
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Most ohmmeters of the design shown in the previous section utilize a…
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Certain substances are known to physically deform (shorten or…
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A calculator for computing the inductance of a coaxial cable.
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This calculator helps you compute the inductance of a wire loop.
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In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
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This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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What is Rectification? Now we come to the most popular application of…
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In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
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Instantaneous Values in AC Circuits Pure resistive AC circuit:…
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Capacitors store energy in the form of an electric field, and…
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Don’t just sit there! Build something!! Learning to mathematically…
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The invention of the bipolar transistor in 1948 ushered in a…
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Real operational amplifiers have some imperfections compared to an…
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In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.
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In many disciplines of science and engineering, very large and very…
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Write the following exponential expressions in expanded form: 101 =…
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In simple AC power systems, one of the two conductors is typically…
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Decibel as Absolute Unit of Power It is also possible to use the…
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Most students of electricity begin their study with what is known as…
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De Forest’s Audion tube came to be known as the triode tube…
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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.
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As we’ve seen, negative feedback is an incredibly useful…
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The wires between the tank and the monitoring location is called…
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When a PCB designer speaks of dimensions in thous or mils, what does…
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