When analyzing complex series and parallel circuits, it is easy to…
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The Skin Depth of Copper in Electrical Engineering As previously…
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In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
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Generally speaking, how many “time constants” worth of time does…
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Capacitors Vs. Resistors Capacitors do not behave the same as…
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Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
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Ohm’s Law also makes intuitive sense if you apply it to the…
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Capacitors store energy in the form of an electric field, and…
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In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
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Inductors, like all electrical components, have limitations which must…
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In simple reactive circuits with little or no resistance, the effects…
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Write an equation describing the precise mathematical relationship…
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When using conventional current flow, we can trace the direction of…
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In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
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There are two basic Ohm’s Law equations: one relating voltage,…
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There are circumstances when you may need to analyze a DC reactive…
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Before we begin to explore the effects of resistors, inductors, and…
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The nonlinearity of material permeability may be graphed for better…
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A similar effect happens in series inductive/capacitive circuits. When…
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A high-pass filter’s task is just the opposite of a low-pass…
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In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.
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So far in our discussions on electricity and electric circuits, we…
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Mathematical rules are based on the defining limits we place on the…
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∫f(x) dx Calculus alert! Electronic power conversion circuits known…
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This calculator helps you compute the inductance of a wire loop.
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Older electrical schematics showed connecting wires crossing, while…
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Like its bipolar cousin, the field-effect transistor may be used as an…
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What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
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Additive Identity a + 0 = a Multiplicative Identity 1a = a…
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As an example of using several circuits together, we are going to make…
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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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Remember that vectors are mathematical objects just like numbers on a…
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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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Up until this point, our analysis of transistor logic circuits has…
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Contributors to this chapter are listed in chronological order of…
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What does the normal status of an electrical switch refer to?…
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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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Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
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Suppose you were installing a high-power stereo system in your car,…
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A bistable multivibrator has two stable states, as indicated by the…
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The term “combinational” comes to us from mathematics. In…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Solve this equation for the value of x: x + 5 = 8 How many exact…
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When an electric current is passed through a coil of wire, what…
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What is the difference between a JMP (“jump”) instruction and a…
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This calculator determines the wavelength of a signal given the frequency and dielectric constant.
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To express a quantity in a different metric prefix from how it was…
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This calculator computes the inductance of a microstrip etched on a PCB.
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.
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Our exploration of thyristors begins with a device called the…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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Don’t just sit there! Build something!! Learning to mathematically…
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Similar in thought to the idea of the integrated circuit, tube…
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When lightning strikes, nearby magnetic compass needles may be seen to…
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Don’t just sit there! Build something!! Learning to mathematically…
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A mathematician named DeMorgan developed a pair of important rules…
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