Electric Charge

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Ohm’s Law

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

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Shunt Resistor

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

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Power Rating

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

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Heater Resistor

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

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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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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Resistor Capacitance

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

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Fixed Resistor

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

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Metal Oxide Film Resistor

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Resistors for LED Circuits

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

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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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Digital Potentiometer

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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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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Carbon Film Resistor

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

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Ohm’s Law

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

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Resistor Color Code

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

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Resistor Sizes and Packages

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

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Air Capacitor

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Q factor

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

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Power Resistor

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

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Power Rating

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

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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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Capacitors in parallel

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Resistor Sizes and Packages

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

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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 Calculator

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

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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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Resistor Symbols

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

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PTC Thermistor

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

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Ohm’s Law

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

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Resistor Inductance

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

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Thin and Thick Film

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

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