Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Resistor Capacitance

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

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Capacitor Guide Intro

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

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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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Resistor Symbols

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

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Resistors in Series

How to Calculate the Equivalent Resistance For Resistors in Series?…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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AC Power Analysis In Reactive Circuits

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

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Foil Resistor

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

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Potentiometer

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Current limiting

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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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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Resistor Noise

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

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Motor starting capacitor

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

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Rheostat

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

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Digital Potentiometer

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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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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Resistor Inductance

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

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Ceramic Capacitor

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

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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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Electric Field

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

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Thermistor

What is a Thermistor? A thermistor is a temperature sensitive…

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Power Resistor

What Are Power Resistors? Power resistors are designed to withstand…

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Resistor SMD Code

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Wirewound Resistor

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

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Power Factor And RMS Explained

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

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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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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Air Capacitor

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

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Resistors for LED Circuits

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

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Rheostat

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

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Photoresistor

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

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Heater Resistor

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

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