Resistor Color Code

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Motor starting capacitor

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

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Ohm’s Law

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

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Wirewound Resistor

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

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Carbon Film Resistor

What is a Carbon Film Resistor? Carbon film resistors are a type of…

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Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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Resistor Sizes and Packages

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

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Resistor Guide Intro

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

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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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Thin and Thick Film

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

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Capacitor Guide Intro

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

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Metal Oxide Film Resistor

What are Metal Oxide Film Resistors? Metal-oxide film resistors are…

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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PTC Thermistor

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Electric Charge

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Shunt Resistor

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Resistors in Series

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Electrolytic Capacitor

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

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Resistors for LED Circuits

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

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Power Rating

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Heater Resistor

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

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Basic DC Circuit Theory

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

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Braking Resistor

What is a Braking Resistor? The property of resistors to dissipate…

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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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Triangle Of Power And Power Factor

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

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Capacitor Guide Intro

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

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Resistor Symbols

All types of resistors have their own resistor symbols which are used…

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Shunt Resistor

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

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Resistors for LED Circuits

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

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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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Electrolytic Capacitor

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

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What Is Meant By Electrical Resistance?

Different materials react to voltage in different ways. If a material…

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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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Resistors in Series

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

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Capacitors in parallel

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

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Trimpot

What is a Trimpot? A trimpot or trimmer potentiometer is a small…

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Power Rating

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Electric Charge

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Fixed Resistor

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

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About the Authors

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

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Resistor Color Code

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

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Resistor Inductance

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

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