Electric Field

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

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Capacitors in parallel

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

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Basic DC Circuit Theory

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

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Ceramic Capacitor

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

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Motor starting capacitor

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

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Thin and Thick Film

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Trimpot

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

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Resistor Guide Intro

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

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Shunt Resistor

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

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Tantalum Capacitor

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Power Rating

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

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Braking Resistor

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Carbon Film Resistor

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

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Power Resistor

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

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Potentiometer

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

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Resistor Inductance

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

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Mica Capacitor

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

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Q factor

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Resistor Color Code

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

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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 Sizes and Packages

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Standard Resistor Power Ratings

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

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Wirewound Resistor

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Tantalum Capacitor

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

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Capacitors in parallel

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

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Resistors for LED Circuits

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

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Resistors in Parallel

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

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About the Authors

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

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AC Power Analysis In Reactive Circuits

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

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Resistor Capacitance

What Is Resistor Capacitance? Capacitance is an ability of a body to…

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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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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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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