Ohm’s Law

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

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Parasitic Inductance

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

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Thin and Thick Film

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

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Resistor Symbols

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

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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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Resistor Guide Intro

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

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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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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Digital Potentiometer

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

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Current limiting

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Potentiometer

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

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Ceramic Capacitor

What are ceramic capacitors? A ceramic capacitor uses a ceramic…

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Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Impedance and Reactance

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

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Shunt Resistor

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

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Electrical Resistivity

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

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Ohm’s Law

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

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Metal Film Resistor

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

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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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Resistors for LED Circuits

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

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Basic AC Circuits

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Thin and Thick Film

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

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PTC Thermistor

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

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Resistor Guide Intro

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

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Fixed Resistor

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

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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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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Foil Resistor

What is a Foil Resistor? The metal foil resistor has the best…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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Capacitors in parallel

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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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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Variable Resistor

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

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Mica Capacitor

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

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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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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Standard Resistor Power Ratings

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

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