Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Air Capacitor

What are air capacitors? Air capacitors are capacitors which use air…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Rheostat

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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PTC Thermistor

What are PTC Thermistors? PTC stands for "Positive Temperature…

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Tantalum Capacitor

What are tantalum capacitors? Tantalum capacitors are a subtype of…

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Measurements In Electrical Engineering

Powers of Ten A numeral system is a method of using certain digits to…

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Power Factor And RMS Explained

In the previous page, we saw that the mathematical representation of…

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Resistor Properties

The function of resistors is to oppose the flow of electric current in…

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Power Resistor

What Are Power Resistors? Power resistors are designed to withstand…

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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Standard Resistor Power Ratings

An electrical device’s power rating provides a general idea of…

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Resistor Sizes and Packages

Resistors are available in a large number of different package styles…

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Resistor Inductance

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

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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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Capacitor Guide Intro

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

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Electrolytic Capacitor

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

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor of…

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Resistor Color Code Calculator

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

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Q factor

Q Factor definition The Q factor of a capacitor, also known as the…

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Thin and Thick Film

What are Thin and Thick Film Resistors? Thin and thick film resistors…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Basic AC Circuits

We started out this chapter by discussing power in DC circuits. Now,…

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Power Factor And RMS Explained

In the previous page, we saw that the mathematical representation of…

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Wirewound Resistor

What is a Wirewound Resistor? A wirewound resistor is an electrical…

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PTC Thermistor

What are PTC Thermistors? PTC stands for "Positive Temperature…

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Resistor Books and Online Resources

On this page you will find a collection of valuable books and other…

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Basic DC Circuit Theory

Voltage and Current Relationship The earth is a dynamic place. Objects…

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Resistor Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

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Resistor Inductance

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

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Fixed Resistor

What is a Fixed Resistor? Fixed value resistors have a defined ohmic…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Capacitors in parallel

Capacitors, like other electrical elements, can be connected to other…

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Shunt Resistor

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

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