Ohm’s Law

What Is Ohm’s Law? Ohm’s law states that the electrical…

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Resistor Sizes and Packages

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

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Motor starting capacitor

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

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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Potentiometer

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

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Electrical Resistivity

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

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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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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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Passive And Active Electronic Components

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

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Resistor Symbols

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

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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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Ceramic Capacitor

What are ceramic capacitors? A ceramic capacitor uses a ceramic…

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Capacitor Guide Intro

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

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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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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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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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Standard Resistor Power Ratings

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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Photoresistor

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Braking Resistor

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

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