Power Rating

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

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Resistors for LED Circuits

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

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Heater Resistor

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

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Motor starting capacitor

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

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Resistor Guide Intro

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Thermistor

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

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Rheostat

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Braking Resistor

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

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Power Resistor

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

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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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Varistor

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

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Film Capacitor

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

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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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Resistor Sizes and Packages

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

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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Resistor Color Code Calculator

This resistor color code calculator will help you determine the value…

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Fixed Resistor

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

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Potentiometer

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

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Capacitors in parallel

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

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Power Resistor

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

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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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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Resistors in Parallel

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

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Varistor

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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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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Heater Resistor

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

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Q factor

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

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Resistors for LED Circuits

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

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Variable Resistor

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

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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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What Is a Resistor?

The resistor is a passive electrical component that creates…

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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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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Basic DC Circuit Theory

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

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