Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Varistor

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

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Capacitors in parallel

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

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AC Power Analysis In Reactive Circuits

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

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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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Power Factor And RMS Explained

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

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Electrolytic Capacitor

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

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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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Triangle Of Power And Power Factor

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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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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Shunt Resistor

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

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Electric Field

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

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Wirewound Resistor

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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About the Authors

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Thin and Thick Film

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

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Impedance and Reactance

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

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Capacitors in parallel

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

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AC Power Analysis In Reactive Circuits

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

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Textbook

Heater Resistor

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Resistor Symbols

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

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Resistor Capacitance

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

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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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Fixed Resistor

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

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AC Power Analysis In Reactive Circuits

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

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Textbook

Electric Field

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

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Textbook

Shunt Resistor

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

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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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Basic AC Circuits

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

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor 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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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Mica Capacitor

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Resistor SMD Code

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

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Capacitor Guide Intro

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

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Motor starting capacitor

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

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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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Impedance and Reactance

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

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Braking Resistor

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

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Resistor Symbols

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

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