Electric Charge

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Electric Field

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

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Metal Oxide Film Resistor

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

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Impedance and Reactance

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

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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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Resistor Books and Online Resources

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

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Resistor Properties

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Power Rating

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

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Blower Resistor

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Ohm’s Law

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

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Capacitance

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

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Electrical Resistivity

What Is Electrical Resistivity? Electrical resistivity is a measure of…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Resistors for LED Circuits

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

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Basic AC Circuits

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

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Varistor

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Resistor SMD Code

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

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Power Resistor

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

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