Complex Numbers, Phasors And Phase Shift

The Effect of Phase We saw in the previous page that the voltage…

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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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Variable Resistor

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

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Trimpot

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

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Motor starting capacitor

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

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Resistor Books and Online Resources

On this page you will find a collection of valuable books and other…

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Resistor Suppliers

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Resistor Properties

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

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Potentiometer

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

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Rheostat

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

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Power Rating

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

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Resistor SMD Code

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

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Capacitors in parallel

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

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Electrolytic Capacitor

What are electrolytic capacitors? An electrolytic capacitor is a type…

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Impedance and Reactance

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

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Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Resistor Sizes and Packages

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

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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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Ohm’s Law

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

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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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Power Rating

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

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Digital Potentiometer

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

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Wirewound Resistor

What is a Wirewound Resistor? A wirewound resistor is an electrical…

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Resistor Capacitance

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

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Thermistor

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

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PTC Thermistor

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Motor starting capacitor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Q factor

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

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Trimpot

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

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Electrical Resistivity

What Is Electrical Resistivity? Electrical resistivity is a measure 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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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Resistors for LED Circuits

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

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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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