Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Film Capacitor

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

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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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 Resistor

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Standard Resistor Power Ratings

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

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Basic DC Circuit Theory

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

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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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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Power Factor And RMS Explained

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

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Air Capacitor

What are air capacitors? Air capacitors are capacitors which use air…

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Potentiometer

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

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Digital Potentiometer

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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PTC Thermistor

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

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Metal Oxide Film Resistor

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

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Foil Resistor

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

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Resistor Color Code

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

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Capacitance

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

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Metal Oxide Film Resistor

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

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Basic DC Circuit Theory

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Parasitic Inductance

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

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Electrolytic Capacitor

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

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Ceramic Capacitor

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Fixed Resistor

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

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Film Capacitor

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

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Resistor Sizes and Packages

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Carbon Film Resistor

What is a Carbon Film Resistor? Carbon film resistors are a type of…

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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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What Is Meant By Electrical Resistance?

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

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Motor starting capacitor

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

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Varistor

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

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Basic AC Circuits

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

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