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Pull-up and Pull-down Resistors

Pull-up and Pull-down Resistors

What Are Pull-up Resistors? Pull-up resistors are resistors used in…


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Resistor Capacitance

Resistor Capacitance

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


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Film Capacitor

Film Capacitor

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


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Metal Oxide Film Resistor

Metal Oxide Film Resistor

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


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Basic DC Circuit Theory

Basic DC Circuit Theory

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


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What Is Meant By Electrical Resistance?

What Is Meant By Electrical Resistance?

Different materials react to voltage in different ways. If a material…


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Complex Numbers, Phasors And Phase Shift

Complex Numbers, Phasors And Phase Shift

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


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Photoresistor

Photoresistor

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


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Thermistor

Thermistor

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


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Parasitic Inductance

Parasitic Inductance

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


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…


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Resistor Properties

Resistor Properties

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


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Standard Resistor Power Ratings

Standard Resistor Power Ratings

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


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Heater Resistor

Heater Resistor

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


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Resistor Color Code Calculator

Resistor Color Code Calculator

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


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Motor starting capacitor

Motor starting capacitor

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


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Trimpot

Trimpot

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


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Resistor Guide Intro

Resistor Guide Intro

Welcome to the Resistor Guide! The Resistor Guide will guide you in…


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Variable Resistor

Variable Resistor

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


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Resistance of a Resistor

Resistance of a Resistor

Resistance of a Resistor The function of a resistor is to oppose the…


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