Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Resistor SMD Code

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

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Variable Resistor

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

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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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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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Basic DC Circuit Theory

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

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Thermistor

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

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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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Standard Resistor Power Ratings

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

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Resistor SMD Code

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

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NTC Thermistor

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

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Textbook

Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Textbook

Power Factor And RMS Explained

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

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Wirewound Resistor

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

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Braking Resistor

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Film Capacitor

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

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Electric Field

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

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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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Trimpot

What is a Trimpot? A trimpot or trimmer potentiometer is a small…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Resistors in Series

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

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Q factor

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

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Basic AC Circuits

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

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Resistor Properties

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

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