Resistor Guide Intro

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

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Metal Film Resistor

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

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Wirewound Resistor

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

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Motor starting capacitor

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

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Capacitor Guide Intro

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

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Resistor Color Code

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

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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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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Resistor Sizes and Packages

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

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Ohm’s Law

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

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Metal Oxide Film Resistor

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Thin and Thick Film

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

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Carbon Film Resistor

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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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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Resistors for LED Circuits

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

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Resistors in Series

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

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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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Resistance of a Resistor

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Blower Resistor

What is a Blower Resistor? Blower resistors are resistors which are…

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Tantalum Capacitor

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Electric Field

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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NTC Thermistor

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

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Resistor Properties

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

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Resistor Symbols

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

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Resistor SMD Code

What are SMD Resistors?   SMD resistors on a printed circuit…

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Basic DC Circuit Theory

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

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Capacitors in parallel

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

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Digital Potentiometer

What is a Digital Potentiometer? A digital potentiometer (also known…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Varistor

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

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Metal Oxide Film Resistor

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

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Motor starting capacitor

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

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Impedance and Reactance

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

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Current limiting

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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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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Resistor SMD Code

What are SMD Resistors?   SMD resistors on a printed circuit…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Digital Potentiometer

What is a Digital Potentiometer? A digital potentiometer (also known…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Resistor Inductance

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

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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 AC Circuits

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Heater Resistor

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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AC Power Analysis In Reactive Circuits

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

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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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