How To Calculate Power Factor Correction

As you now know, reactive components can cause a circuit’s power…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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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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Triangle Of Power And Power Factor

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

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Capacitors in parallel

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

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Varistor

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

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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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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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AC Power Analysis In Reactive Circuits

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

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Current limiting

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Braking Resistor

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

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Rheostat

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

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About the Authors

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

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What Is Wye And Delta?

We learned in a previous page that resistors can be connected in…

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Ceramic Capacitor

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

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Resistor Inductance

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

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Resistor Capacitance

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

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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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Thin and Thick Film

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

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Power Factor And RMS Explained

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

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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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Capacitor Guide Intro

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

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AC Power Analysis In Reactive Circuits

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

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Photoresistor

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

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Mica Capacitor

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

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Standard Resistor Power Ratings

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

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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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Resistance of a Resistor

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

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