Potentiometer

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

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AC Power Analysis In Reactive Circuits

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

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Resistors for LED Circuits

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

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Metal Oxide Film Resistor

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

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What Is Meant By Electrical Resistance?

Different materials react to voltage in different ways. If a material…

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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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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Film Capacitor

What are film capacitors? Film capacitors are capacitors which use a…

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Varistor

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

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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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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Metal Film Resistor

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

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Power Rating

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

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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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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Ohm’s Law

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

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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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Carbon Film Resistor

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

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Resistors in Parallel

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

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