Mica Capacitor

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

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Standard Resistor Power Ratings

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

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Electric Field

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

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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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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Rheostat

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

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Basic DC Circuit Theory

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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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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What Is Meant By Electrical Resistance?

Different materials react to voltage in different ways. If a material…

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Power Factor And RMS Explained

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

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What Is Wye And Delta?

We learned in a previous page that resistors can be connected in…

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AC Power Analysis In Reactive Circuits

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Digital Potentiometer

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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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 Sizes and Packages

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

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Resistor Color Code

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

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Motor starting capacitor

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

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Ohm’s Law

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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NTC Thermistor

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

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Electric Field

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

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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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AC Power Analysis In Reactive Circuits

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

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Textbook

Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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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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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Impedance and Reactance

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

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Foil Resistor

What is a Foil Resistor? The metal foil resistor has the best…

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Shunt Resistor

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

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Heater Resistor

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

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Resistor Guide Intro

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

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Resistor Inductance

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

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Complex Numbers, Phasors And Phase Shift

The Effect of Phase We saw in the previous page that the voltage…

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Resistor SMD Code

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

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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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Ohm’s Law

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

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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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