Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Ohm’s Law

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

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Varistor

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Trimpot

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

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Resistor Capacitance

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

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Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…

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Metal Film Resistor

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

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Ceramic Capacitor

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

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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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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Metal Oxide Film Resistor

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Resistors for LED Circuits

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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About the Authors

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

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Air Capacitor

What are air capacitors? Air capacitors are capacitors which use air…

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Foil Resistor

What is a Foil Resistor? The metal foil resistor has the best…

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