Resistors for LED Circuits

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

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Varistor

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

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Resistor Sizes and Packages

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

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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 Symbols

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

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Power Factor And RMS Explained

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Thermistor

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

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Potentiometer

What is a Potentiometer? A potentiometer is a manually adjustable…

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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Metal Oxide Film Resistor

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

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Resistor Capacitance

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

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Resistors in Parallel

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

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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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AC Power Analysis In Reactive Circuits

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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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 Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Shunt Resistor

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Trimpot

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

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