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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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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NTC Thermistor

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

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Shunt Resistor

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

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Thermistor

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

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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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Measurements In Electrical Engineering

Powers of Ten A numeral system is a method of using certain digits to…

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Resistor Symbols

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

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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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Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

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Resistor Capacitance

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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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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Q factor

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

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Resistor Suppliers

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

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Resistor Color Code Calculator

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

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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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Trimpot

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

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Mica Capacitor

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

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Impedance and Reactance

Impedance and reactance An element in a DC circuit can be described…

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Motor starting capacitor

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

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Capacitance

What is capacitance? Electric capacitance is the ability of a…

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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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Electrical Resistivity

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

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Resistor Noise

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

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Capacitors in parallel

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

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Thin and Thick Film

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

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Resistor Inductance

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

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Braking Resistor

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

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Resistor Guide Intro

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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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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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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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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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Photoresistor

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

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Resistor Suppliers

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

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Heater Resistor

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

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About the Authors

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

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Standard Resistor Power Ratings

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

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Digital Potentiometer

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Resistors in Parallel

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

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