Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
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Capacitors, like all electrical components, have limitations that must…
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In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
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∫f(x) dx Calculus alert! One of the fundamental principles of…
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Pure resistive AC circuit: voltage and current are in phase. …
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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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A common phrase heard in reference to electrical safety goes something…
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Don’t just sit there! Build something!! Learning to mathematically…
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Because capacitors store energy in the form of an electric field, they…
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Capacitors do not have a stable “resistance” as conductors…
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Calculate circuit parameters using Ohm's Law
Tools
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
Tools
In this introduction to series resistance circuits, we will explain…
Textbook
This calculator computes the inductance of a wire coil.
Tools
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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For a given amount of water pressure, which will flow a greater rate…
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The circuit in the previous section is not a very practical one. In…
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Quantum physics describes the states of electrons in an atom according…
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Conductors lose all of their electrical resistance when cooled to…
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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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“The nice thing about standards is that there are so many of…
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Stepper Motor vs Servo Motor A stepper motor is a…
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In the design of large and complex digital systems, it is often…
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A waveguide is a special form of transmission line consisting of a…
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Show how this ammeter would be connected to the light bulb circuit to…
Worksheets - Passives
This calculator will help compute the inductance of a length of wire.
Tools
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
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Power measurement in AC circuits can be quite a bit more complex than…
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As an instructor of electronics, I am called upon frequently to help…
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A calculator for computing the gain and output voltage of an operational amplifier
Tools
As we’ve already learned, electricity requires a complete path…
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A high-pass filter’s task is just the opposite of a low-pass…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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Don’t just sit there! Build something!! Learning to mathematically…
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We have the symbols for depletion mode and enhancement mode MOSFETs -…
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Larger Karnaugh maps reduce larger logic designs. How large is large…
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Calculate the voltage output by the secondary winding of a transformer…
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Read the following quotation, and then research the term…
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A special type of relay is one that monitors the current, voltage,…
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What would happen to this meter movement, if connected directly to a…
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As an example of using several circuits together, we are going to make…
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A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
Tools
Most electrical wire is covered in a rubber or plastic coating called…
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Synchronous motors load the power line with a leading power factor.…
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So far in our discussions on electricity and electric circuits, we…
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The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
Stepper Motor vs Servo Motor A stepper motor is a…
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Generally speaking, how many “time constants” worth of time does…
Worksheets - Passives
This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
Tools
Two relatively recent technologies designed to reduce the…
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The earliest forms of digital data storage involving moving parts was…
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RELATED WORKSHEETS: Decibel Measurements Worksheet
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With BogusBus, our signals were very simple and straightforward: each…
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In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.
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So far, we’ve observed simulations of transformers where the…
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This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
Tools
Circuits consisting of just one battery and one load resistance are…
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If we connect the output of an op-amp to its inverting input and apply…
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Bipolar Junction Transistor or BJT Current Mirror An often-used…
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