Measurements In Electrical Engineering

Powers of Ten A numeral system is a method of using certain digits to…

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Photoresistor

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

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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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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Resistor Inductance

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Foil Resistor

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

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Mica Capacitor

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

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Resistors in Parallel

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

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Shunt Resistor

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

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Impedance and Reactance

Impedance and reactance An element in a DC circuit can be described…

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Carbon Film Resistor

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

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Trimpot

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

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Resistor Symbols

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

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Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

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Air Capacitor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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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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Capacitors in parallel

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

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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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Ohm’s Law

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

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Trimpot

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

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Photoresistor

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Resistor SMD Code

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

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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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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Rheostat

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

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NTC Thermistor

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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AC Power Analysis In Reactive Circuits

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

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Digital Potentiometer

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

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Standard Resistor Power Ratings

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

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Fixed Resistor

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

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Shunt Resistor

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

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Parasitic Inductance

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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