Ohm’s Law

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Resistor Capacitance

What Is Resistor Capacitance? Capacitance is an ability of a body to…

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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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How To Calculate Power Factor Correction

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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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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What Is Meant By Electrical Resistance?

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Resistor Noise

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

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Current limiting

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Varistor

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

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Electrical Resistivity

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

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Standard Resistor Power Ratings

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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PTC Thermistor

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

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Thin and Thick Film

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

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Electric Charge

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

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Parasitic Inductance

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

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About the Authors

Robert Keim Robert Keim graduated from the University of California,…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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