Consider a circuit for a single-phase AC power system, where a 120…
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Resonance in a Tank Circuit A condition of resonance will be…
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What do we do if we come across a circuit more complex than the simple…
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Learn About L/R Time Constants It is often perplexing to new students…
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In this circuit, three resistors receive the same amount of current (4…
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Often in the course of designing and building electrical meter…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
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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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Don’t just sit there! Build something!! Learning to mathematically…
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The atoms in insulating materials have very tightly-bound electrons,…
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As an electric current is passed through a coil of wire, it creates a…
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If a sinusoidal voltage is applied to an impedance with a phase angle…
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Perhaps the most challenging aspect of interpreting ladder diagrams,…
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Whenever electrons flow through a conductor, a magnetic field will…
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Capacitors Vs. Resistors Capacitors do not behave the same as…
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In the previous section, we explored what would happen in simple…
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Inductive Reactance Capacitive Reactance …
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Don’t just sit there! Build something!! Learning to mathematically…
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All entries arranged in alphabetical order of surname. Major…
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No text on electrical metering could be called complete without a…
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In simple reactive circuits with little or no resistance, the effects…
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Both soldering irons and soldering guns are tools used in the process…
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Try out our Resistor Color Code Calculator in our Tools section.…
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Whenever there is a mismatch of impedance between transmission line…
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Programming a circuit simulation with SPICE is much like programming…
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Incomplete
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Mathematicians use Venn diagrams to show the logical relationships of…
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Unijunction transistor: Although a unijunction transistor is not a…
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When capacitors are connected in series, the total capacitance is…
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In many disciplines of science and engineering, very large and very…
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Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
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The bipolar junction transistor (BJT) was named because its operation…
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Bipolar Junction Transistor or BJT Current Mirror An often-used…
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Because of their insulated gates, IGFETs of all types have extremely…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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So far, the filter designs we’ve concentrated on have employed…
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The purpose of the parallel-in/ parallel-out shift register is to take…
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So far, we’ve only been able to escape the sheer volume of…
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There was some historic crude, but usable semiconductor…
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Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
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Another type of mathematical identity, called a “property”…
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In addition to voltage and current, there is another important…
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Don’t just sit there! Build something!! Learning to analyze digital…
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In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
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Three-phase Wye(Y) Connection Initially, we explored the idea of…
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This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
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Factoring Identities : a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…
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Mathematical rules are based on the defining limits we place on the…
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Wire-by-Number project: simple voltage divider Description: Build a…
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As we saw in a few SPICE analyses earlier in this chapter, the output…
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With this lesson, I hope to avoid a common mistake found in…
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Older electrical schematics showed connecting wires crossing, while…
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Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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A parallel circuit is often called a current divider for its ability…
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In the beam power tube, the basic four-element structure of the…
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All About Contactors When a relay is used to switch a large amount of…
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Since the enable input on a gated S-R latch provides a way to latch…
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When analyzing complex series and parallel circuits, it is easy to…
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