Heater Resistor

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

---

Textbook

What Is Meant By Electrical Resistance?

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

---

Textbook

Power Rating

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

---

Textbook

Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…

---

Textbook

NTC Thermistor

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

---

Textbook

Electrical Resistivity

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

---

Textbook

PTC Thermistor

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

---

Textbook

Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

---

Textbook

Thermistor

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

---

Textbook

Resistor Properties

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

---

Textbook

What Is a Resistor?

The resistor is a passive electrical component that creates…

---

Textbook

Standard Resistor Power Ratings

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

---

Textbook

Q factor

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

---

Textbook

Braking Resistor

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

---

Textbook

Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…

---

Textbook

Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

---

Textbook

Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

---

Textbook

Resistor Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

---

Textbook

Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

---

Textbook

Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

---

Textbook

Basic DC Circuit Theory

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

---

Textbook

Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

---

Textbook

Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

---

Textbook

Capacitors in parallel

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

---

Textbook

Basic AC Circuits

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

---

Textbook

Rheostat

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

---

Textbook

PTC Thermistor

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

---

Textbook

Resistor Values

Standard Resistor Values In 1952, the IEC (International…

---

Textbook

Varistor

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

---

Textbook

NTC Thermistor

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

---

Textbook

Metal Film Resistor

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

---

Textbook

Resistors for LED Circuits

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

---

Textbook

Thermistor

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

---

Textbook

Impedance and Reactance

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

---

Textbook

Digital Potentiometer

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

---

Textbook