Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Variable Resistor

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

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Basic DC Circuit Theory

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

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Varistor

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

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Resistor SMD Code

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

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Shunt Resistor

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

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Thermistor

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

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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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Impedance and Reactance

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

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Electric Charge

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

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Photoresistor

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

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Potentiometer Taper

What is Potentiometer Taper? Potentiometer taper is the relation…

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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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Current limiting

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Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

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Power Resistor

What Are Power Resistors? Power resistors are designed to withstand…

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Power Factor And RMS Explained

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

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Basic DC Circuit Theory

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

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Resistors in Parallel

How to Calculate the Equivalent Resistance for Resistors in Parallel?…

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Digital Potentiometer

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

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PTC Thermistor

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

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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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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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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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Braking Resistor

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

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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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