Potentiometer

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

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Resistor Symbols

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

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Resistor Properties

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

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Standard Resistor Power Ratings

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Capacitor Guide Intro

Welcome to the Capacitor Guide! Your guide in the world of capacitors.…

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About the Authors

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Mica Capacitor

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

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Power Rating

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

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Variable Resistor

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

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Rheostat

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

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Electrolytic Capacitor

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

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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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Current limiting

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Measurements In Electrical Engineering

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Electrical Resistivity

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

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Q factor

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

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Capacitors in parallel

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

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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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Metal Film Resistor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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Resistor Suppliers

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Fixed Resistor

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Electric Charge

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

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Impedance and Reactance

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Motor starting capacitor

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

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Capacitance

What is capacitance? Electric capacitance is the ability of a…

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Thin and Thick Film

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

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Film Capacitor

What are film capacitors? Film capacitors are capacitors which use a…

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