Shunt Resistor

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

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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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Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…

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Metal Film Resistor

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

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Ohm’s Law

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

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Power Factor And RMS Explained

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

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NTC Thermistor

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

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PTC Thermistor

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

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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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Q factor

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

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Resistor Capacitance

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Metal Oxide Film Resistor

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

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Varistor

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

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Impedance and Reactance

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

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Resistor Color Code Calculator

This resistor color code calculator will help you determine the value…

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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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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Measurements In Electrical Engineering

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

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Braking Resistor

What is a Braking Resistor? The property of resistors to dissipate…

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NTC Thermistor

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Electrolytic Capacitor

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

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Tantalum Capacitor

What are tantalum capacitors? Tantalum capacitors are a subtype of…

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Metal Film Resistor

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Rheostat

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

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Ohm’s Law

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

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Photoresistor

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

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Variable Resistor

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

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Motor starting capacitor

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

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Varistor

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

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Resistor Capacitance

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

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Basic AC Circuits

We started out this chapter by discussing power in DC circuits. Now,…

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Electric Charge

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

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Standard Resistor Power Ratings

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

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