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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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Basic DC Circuit Theory

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

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Digital Potentiometer

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Thin and Thick Film

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

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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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Power Rating

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

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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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Shunt Resistor

Definition Shunt Resistor A shunt resistor is used to measure electric…

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Electric Field

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

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Resistor Inductance

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

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Photoresistor

What are Photoresistors? Photoresistors, also known as light dependent…

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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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Resistors for LED Circuits

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

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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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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Resistor Capacitance

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

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Electrolytic Capacitor

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

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About the Authors

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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