Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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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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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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PTC Thermistor

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

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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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Fixed Resistor

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Current limiting

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Resistors for LED Circuits

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

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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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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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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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Photoresistor

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

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Electric Field

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

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Carbon Film Resistor

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

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Potentiometer

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

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Resistor Capacitance

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

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Capacitor Guide Intro

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

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Rheostat

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Wirewound Resistor

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

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Resistor SMD Code

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

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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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Electrical Resistivity

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

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Film Capacitor

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

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