Resistor Properties

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

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Standard Resistor Power Ratings

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

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Braking Resistor

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

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Power Rating

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

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Heater Resistor

What are Heater Resistors? Heater resistors are used whenever an…

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NTC Thermistor

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

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Electrical Resistivity

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

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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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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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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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Q factor

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

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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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Resistors for LED Circuits

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

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Capacitance

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

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Rheostat

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

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Resistor Inductance

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

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Digital Potentiometer

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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Blower Resistor

What is a Blower Resistor? Blower resistors are resistors which are…

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Basic DC Circuit Theory

Voltage and Current Relationship The earth is a dynamic place. Objects…

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Metal Film Resistor

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

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Resistor Properties

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

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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Impedance and Reactance

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

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Resistor Symbols

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

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Current limiting

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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