Resistor Properties

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Electrical Resistivity

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

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NTC Thermistor

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

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Heater Resistor

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

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PTC Thermistor

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

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Power Rating

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

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Thermistor

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

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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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Standard Resistor Power Ratings

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

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Q factor

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

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Braking Resistor

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Capacitor Guide Intro

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

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Thermistor

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

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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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Resistance of a Resistor

Resistance of a Resistor The function of a resistor is to oppose the…

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Resistor Inductance

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

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Resistor Guide Intro

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

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Thin and Thick Film

What are Thin and Thick Film Resistors? Thin and thick film resistors…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Electric Charge

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

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Power Rating

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Resistor Sizes and Packages

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

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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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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Basic AC Circuits

We started out this chapter by discussing power in DC circuits. Now,…

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Basic DC Circuit Theory

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

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Blower Resistor

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

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Shunt Resistor

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

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