Varistor

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

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Power Factor And RMS Explained

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Capacitors in parallel

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

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Electrolytic Capacitor

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

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AC Power Analysis In Reactive Circuits

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

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Varistor

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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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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Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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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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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Resistor Inductance

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

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Q factor

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

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AC Power Analysis In Reactive Circuits

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

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Varistor

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

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Ceramic Capacitor

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

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Resistor Symbols

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

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Braking Resistor

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

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Resistor SMD Code

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

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Thin and Thick Film

What are Thin and Thick Film Resistors? Thin and thick film resistors…

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Metal Film Resistor

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

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Basic AC Circuits

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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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 Rating

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

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Resistors in Series

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

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Resistor Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

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Resistor Properties

The function of resistors is to oppose the flow of electric current in…

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