Current limiting

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Power Rating

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

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Basic AC Circuits

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

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PTC Thermistor

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

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Mica Capacitor

What are mica capacitors? Mica is a group of natural minerals. Silver…

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Resistors in Parallel

How to Calculate the Equivalent Resistance for Resistors in Parallel?…

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Resistor Properties

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Thermistor

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

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Tantalum Capacitor

What are tantalum capacitors? Tantalum capacitors are a subtype of…

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Resistor Sizes and Packages

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

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Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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Capacitors in parallel

Capacitors, like other electrical elements, can be connected to other…

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Ohm’s Law

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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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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Q factor

Q Factor definition The Q factor of a capacitor, also known as the…

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Varistor

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…

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Pull-up and Pull-down Resistors

What Are Pull-up Resistors? Pull-up resistors are resistors used in…

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Electric Charge

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

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Electric Field

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

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Capacitors in parallel

Capacitors, like other electrical elements, can be connected to other…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Impedance and Reactance

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

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Resistor Color Code

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Electrical Resistivity

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

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Metal Oxide Film Resistor

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

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Shunt Resistor

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

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Basic AC Circuits

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

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Capacitance

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

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Air Capacitor

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

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Braking Resistor

What is a Braking Resistor? The property of resistors to dissipate…

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Measurements In Electrical Engineering

Powers of Ten A numeral system is a method of using certain digits to…

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Power Factor And RMS Explained

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

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