Varistor

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

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Shunt Resistor

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

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Varistor

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

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Basic DC Circuit Theory

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

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Resistor SMD Code

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

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Thermistor

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

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NTC Thermistor

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

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PTC Thermistor

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Variable Resistor

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

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Fixed Resistor

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

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Blower Resistor

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

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Standard Resistor Power Ratings

An electrical device’s power rating provides a general idea of…

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Resistor Capacitance

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

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Resistor SMD Code

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Carbon Film Resistor

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

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Capacitors in parallel

Capacitors, like other electrical elements, can be connected to other…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Mica Capacitor

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

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Capacitor Guide Intro

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

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Film Capacitor

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

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AC Power Analysis In Reactive Circuits

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

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Varistor

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

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Variable Resistor

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

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Power Rating

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

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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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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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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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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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