Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Digital Potentiometer

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Rheostat

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

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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 Books and Online Resources

On this page you will find a collection of valuable books and other…

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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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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Photoresistor

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

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Q factor

Q Factor definition The Q factor of a capacitor, also known as the…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Trimpot

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

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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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What Is Meant By Electrical Resistance?

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

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Mica Capacitor

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

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Metal Film Resistor

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

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Foil Resistor

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

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Carbon Film Resistor

What is a Carbon Film Resistor? Carbon film resistors are a type 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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Braking Resistor

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Heater Resistor

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

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Capacitance

What is capacitance? Electric capacitance is the ability of a…

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Resistor Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

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Blower Resistor

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

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Capacitor Guide Intro

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

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NTC Thermistor

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

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Film Capacitor

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

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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Resistor Symbols

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

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About the Authors

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

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Resistors in Parallel

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

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AC Power Analysis In Reactive Circuits

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

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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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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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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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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Shunt Resistor

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

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Power Factor And RMS Explained

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

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