Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Resistors for LED Circuits

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

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Resistor Guide Intro

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Standard Resistor Power Ratings

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Rheostat

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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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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Metal Oxide Film Resistor

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

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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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Resistor Sizes and Packages

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

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Air Capacitor

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

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Thermistor

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

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Electric Field

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

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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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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Resistor Properties

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

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Electric Charge

What is electric charge? Electric charge is a fundamental physical…

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Impedance and Reactance

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

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