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Electric Field

Electric Field

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


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Wirewound Resistor

Wirewound Resistor

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


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Ohm’s Law

Ohm’s Law

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


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Braking Resistor

Braking Resistor

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


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AC Power Analysis In Reactive Circuits

AC Power Analysis In Reactive Circuits

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


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Power Factor And RMS Explained

Power Factor And RMS Explained

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


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Resistors in Parallel

Resistors in Parallel

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


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Foil Resistor

Foil Resistor

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


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What Is Wye And Delta?

What Is Wye And Delta?

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


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Basic DC Circuit Theory

Basic DC Circuit Theory

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


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Resistor Capacitance

Resistor Capacitance

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


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Resistors for LED Circuits

Resistors for LED Circuits

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


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Digital Potentiometer

Digital Potentiometer

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


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Fixed Resistor

Fixed Resistor

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


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Q factor

Q factor

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


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Heater Resistor

Heater Resistor

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


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Motor starting capacitor

Motor starting capacitor

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


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Rheostat

Rheostat

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


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Power Resistor

Power Resistor

What Are Power Resistors? Power resistors are designed to withstand…


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Resistor Symbols

Resistor Symbols

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


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Ohm’s Law

Ohm’s Law

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


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Resistor Sizes and Packages

Resistor Sizes and Packages

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


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Motor starting capacitor

Motor starting capacitor

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


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Resistor Color Code

Resistor Color Code

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


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What Is Meant By Electrical Resistance?

What Is Meant By Electrical Resistance?

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


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How To Calculate Power Factor Correction

How To Calculate Power Factor Correction

As you now know, reactive components can cause a circuit’s power…


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Thermistor

Thermistor

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


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Heater Resistor

Heater Resistor

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


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Resistor Color Code

Resistor Color Code

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


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Metal Oxide Film Resistor

Metal Oxide Film Resistor

What are Metal Oxide Film Resistors? Metal-oxide film resistors are…


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Foil Resistor

Foil Resistor

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


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Q factor

Q factor

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


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Carbon Composition Resistor

Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…


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Power Rating

Power Rating

What is the Power Rating of a Resistor? The power rating of a resistor…


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Capacitance

Capacitance

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


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Capacitor Guide Intro

Capacitor Guide Intro

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


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Film Capacitor

Film Capacitor

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


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Importance Of Maximum Power Transfer

Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…


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Energy Storage

Energy Storage

Capacitors used for energy storage Capacitors are devices which store…


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Braking Resistor

Braking Resistor

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


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…


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Resistors in Series

Resistors in Series

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


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Potentiometer Taper

Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…


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Shunt Resistor

Shunt Resistor

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


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