PTC Thermistor

What are PTC Thermistors? PTC stands for "Positive Temperature…

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Photoresistor

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

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Fixed Resistor

What is a Fixed Resistor? Fixed value resistors have a defined ohmic…

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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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Air Capacitor

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

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Electrical Resistivity

What Is Electrical Resistivity? Electrical resistivity is a measure of…

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Foil Resistor

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

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Resistors for LED Circuits

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

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Resistor Suppliers

When you are looking for electronic components or where to buy…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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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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Shunt Resistor

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

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Resistor Noise

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

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Resistor Sizes and Packages

Resistors are available in a large number of different package styles…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Motor starting capacitor

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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About the Authors

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

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Electric Charge

What is electric charge? Electric charge is a fundamental physical…

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor of…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Photoresistor

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

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Basic DC Circuit Theory

Voltage and Current Relationship The earth is a dynamic place. Objects…

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Resistor Symbols

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Resistor Properties

The function of resistors is to oppose the flow of electric current in…

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Resistors for LED Circuits

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

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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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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Resistors in Parallel

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

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Resistor Suppliers

When you are looking for electronic components or where to buy…

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Resistor Guide Intro

Welcome to the Resistor Guide! The Resistor Guide will guide you in…

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Resistor Color Code

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

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Q factor

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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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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Resistor Inductance

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

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Digital Potentiometer

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

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Electric Field

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

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PTC Thermistor

What are PTC Thermistors? PTC stands for "Positive Temperature…

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