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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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Fixed Resistor

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

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Resistor Inductance

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Tantalum Capacitor

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Resistor Properties

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

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Electrical Resistivity

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

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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 Suppliers

When you are looking for electronic components or where to buy…

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Digital Potentiometer

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

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Resistor Symbols

All types of resistors have their own resistor symbols which are used…

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Resistors for LED Circuits

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

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Mica Capacitor

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

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Standard Resistor Power Ratings

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

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Q factor

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

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Basic AC Circuits

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

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Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

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Resistor Color Code Calculator

This resistor color code calculator will help you determine the value…

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Blower Resistor

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

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Trimpot

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

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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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Variable Resistor

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

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Resistor Capacitance

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

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Q factor

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

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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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PTC Thermistor

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

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Resistors in Series

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Capacitance

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

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Thermistor

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

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Ceramic Capacitor

What are ceramic capacitors? A ceramic capacitor uses a ceramic…

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Resistors for LED Circuits

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

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Resistor Color Code

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

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Heater Resistor

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

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Mica Capacitor

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

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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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Capacitor Guide Intro

Welcome to the Capacitor Guide! Your guide in the world of capacitors.…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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