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What is a Foil Resistor? The metal foil resistor has the best…
What is a Rheostat? A rheostat is a variable resistor which is used to…
Metal Film Resistors Metal film resistors have a thin metal layer as…
Decoupling capacitors When designing a circuit, many novice engineers…
Impedance and reactance An element in a DC circuit can be described…
What is a Trimpot? A trimpot or trimmer potentiometer is a small…
In a purely resistive AC circuit, power is simply power. If we add…
What are mica capacitors? Mica is a group of natural minerals. Silver…
Voltage and Current Relationship The earth is a dynamic place. Objects…
What is a Variable Resistor? A variable resistor is a resistor of…
How to Calculate the Equivalent Resistance For Resistors in Series?…
What is a Blower Resistor? Blower resistors are resistors which are…
Definition Shunt Resistor A shunt resistor is used to measure electric…
What Is Resistor Capacitance? Capacitance is an ability of a body to…
What are PTC Thermistors? PTC stands for "Positive Temperature…
On this page you will find a collection of valuable books and other…
How Does the Resistor Color Code Work? Check out the All About…
Different materials react to voltage in different ways. If a material…
What Are Pull-up Resistors? Pull-up resistors are resistors used in…
An Introduction to Carbon Composition Resistors Carbon composition…
Resistance Changes with Temperature The temperature coefficient of…
What are film capacitors? Film capacitors are capacitors which use a…
Powers of Ten A numeral system is a method of using certain digits to…
Resistors are available in a large number of different package styles…
We learned in a previous page that resistors can be connected in…
What are Photoresistors? Photoresistors, also known as light dependent…
Use this calculator to quickly calculate the equivalent resistance…
What Is Ohm’s Law? Ohm’s law states that the electrical…
Filter capacitors Capacitors are reactive elements, which make them…
Motor capacitors AC induction motors use a rotating magnetic field to…
What are PTC Thermistors? PTC stands for "Positive Temperature…
What is a Trimpot? A trimpot or trimmer potentiometer is a small…
What Is Resistor Capacitance? Capacitance is an ability of a body to…
What Is Electrical Resistivity? Electrical resistivity is a measure of…
Capacitors used for energy storage Capacitors are devices which store…
What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…
What are NTC Thermistors? NTC stands for "Negative Temperature…
Capacitors, like other electrical elements, can be connected to other…
What is a Varistor? A varistor is a voltage dependent resistor (VDR).…
What are trimmer capacitors? Trimmer capacitors are variable…
