Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Ohm’s Law

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

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Thin and Thick Film

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

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Resistor Inductance

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Mica Capacitor

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Capacitors in parallel

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

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Air Capacitor

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

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor of…

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Standard Resistor Power Ratings

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

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About the Authors

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

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Foil Resistor

What is a Foil Resistor? The metal foil resistor has the best…

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Heater Resistor

What are Heater Resistors? Heater resistors are used whenever an…

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Capacitance

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

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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 SMD Code

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

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Metal Film Resistor

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

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Photoresistor

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

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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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AC Power Analysis In Reactive Circuits

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

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Rheostat

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

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Trimpot

What is a Trimpot? A trimpot or trimmer potentiometer is a small…

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Q factor

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Sinusoidal Steady State Power and Average Power

In this page, we will expand and reinforce our understanding of power…

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Fixed Resistor

What is a Fixed Resistor? Fixed value resistors have a defined ohmic…

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Power Resistor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor of…

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Electric Charge

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

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PTC Thermistor

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

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Carbon Film Resistor

What is a Carbon Film Resistor? Carbon film resistors are a type of…

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Resistors in Series

How to Calculate the Equivalent Resistance For Resistors in Series?…

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Resistor Color Code

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

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Photoresistor

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

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Mica Capacitor

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

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Current limiting

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Resistor Sizes and Packages

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

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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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