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

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

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Varistor

What is a Varistor? A varistor is a voltage dependent resistor (VDR).…

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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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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Electrolytic Capacitor

What are electrolytic capacitors? An electrolytic capacitor is a type…

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Capacitors in parallel

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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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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How To Calculate Power Factor Correction

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

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Rheostat

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

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Blower Resistor

What is a Blower Resistor? Blower resistors are resistors which are…

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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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Basic AC Circuits

We started out this chapter by discussing power in DC circuits. Now,…

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Photoresistor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Capacitors in parallel

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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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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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Film Capacitor

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Wirewound Resistor

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

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Heater Resistor

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

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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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Resistors in Parallel

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

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Braking Resistor

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

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PTC Thermistor

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

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Electric Field

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

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Impedance and Reactance

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

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Thermistor

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

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Film Capacitor

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

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Mica Capacitor

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

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Resistors in Series

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Blower Resistor

What is a Blower Resistor? Blower resistors are resistors which are…

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Power Resistor

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Resistor Symbols

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

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Resistor SMD Code

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

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Electric Field

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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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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Photoresistor

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

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Resistor Books and Online Resources

On this page you will find a collection of valuable books and other…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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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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Tantalum Capacitor

What are tantalum capacitors? Tantalum capacitors are a subtype of…

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