Resistor Sizes and Packages

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

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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Ohm’s Law

What Is Ohm’s Law? Ohm’s law states that the electrical…

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Resistor Properties

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

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Varistor

What is a Varistor? A varistor is a voltage dependent resistor (VDR).…

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Electrolytic Capacitor

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Resistors for LED Circuits

Resistors in Light Emitting Diode (LED) Circuits An LED (Light…

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Photoresistor

What are Photoresistors? Photoresistors, also known as light dependent…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Pull-up and Pull-down Resistors

What Are Pull-up Resistors? Pull-up resistors are resistors used in…

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Thermistor

What is a Thermistor? A thermistor is a temperature sensitive…

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Resistor Guide Intro

Welcome to the Resistor Guide! The Resistor Guide will guide you in…

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Resistance of a Resistor

Resistance of a Resistor The function of a resistor is to oppose the…

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Heater Resistor

What are Heater Resistors? Heater resistors are used whenever an…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Capacitor Guide Intro

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

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Resistors in Parallel

How to Calculate the Equivalent Resistance for Resistors in Parallel?…

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Basic AC Circuits

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

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Resistor Properties

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

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Rheostat

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

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Capacitors in parallel

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Mica Capacitor

What are mica capacitors? Mica is a group of natural minerals. Silver…

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Power Resistor

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

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Resistor Color Code Calculator

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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About the Authors

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

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Power Rating

What is the Power Rating of a Resistor? The power rating of a resistor…

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Electric Charge

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

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Basic AC Circuits

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Ceramic Capacitor

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

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Resistance of a Resistor

Resistance of a Resistor The function of a resistor is to oppose the…

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Resistors in Series

How to Calculate the Equivalent Resistance For Resistors in Series?…

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Ohm’s Law

What Is Ohm’s Law? Ohm’s law states that the electrical…

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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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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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