Photoresistor

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

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Resistor Suppliers

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

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Resistor Capacitance

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Rheostat

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

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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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Resistor Sizes and Packages

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

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Current limiting

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Electrical Resistivity

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

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About the Authors

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

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Mica Capacitor

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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AC Power Analysis In Reactive Circuits

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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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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NTC Thermistor

What are NTC Thermistors? NTC stands for "Negative Temperature…

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Parasitic Inductance

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

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Resistors in Parallel

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

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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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