Resistor Color Code Calculator

This resistor color code calculator will help you determine the value…

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Potentiometer

What is a Potentiometer? A potentiometer is a manually adjustable…

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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About the Authors

Robert Keim Robert Keim graduated from the University of California,…

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Electrolytic Capacitor

What are electrolytic capacitors? An electrolytic capacitor is a type…

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How To Calculate Power Factor Correction

As you now know, reactive components can cause a circuit’s power…

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Electric Field

What is an electric field? An electric field is a special state that…

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Impedance and Reactance

Impedance and reactance An element in a DC circuit can be described…

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Rheostat

What is a Rheostat? A rheostat is a variable resistor which is used to…

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Ceramic Capacitor

What are ceramic capacitors? A ceramic capacitor uses a ceramic…

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Resistor Inductance

What Is Resistor Inductance? Inductance is an electrical property of…

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Electric Charge

What is electric charge? Electric charge is a fundamental physical…

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Sinusoidal Steady State Power and Average Power

In this page, we will expand and reinforce our understanding of power…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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NTC Thermistor

What are NTC Thermistors? NTC stands for "Negative Temperature…

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Shunt Resistor

Definition Shunt Resistor A shunt resistor is used to measure electric…

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Complex Numbers, Phasors And Phase Shift

The Effect of Phase We saw in the previous page that the voltage…

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Capacitor Guide Intro

Welcome to the Capacitor Guide! Your guide in the world of capacitors.…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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