Electronics Area – Electrical and Electronics Tutorials and Circuits
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Electrical and Electronics Tutorials and Circuits
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Electric Current Definition
Electric Current Definition The electric current is a current of electrons that crosses a material. Some conductive materials have free electrons that easily pass from an atom to another. These free electrons,…
Multimeter – VOM – Tester
This tool is known as a VOM, although there are multimeters that can measure many other quantities.
Electric Conductors (wire – cables)
Electric Conductors: General characteristics The electric conductors are metal threads (copper or aluminum) that are used to conduct electric current. Electric conductors are used in: – Electric facilities (housing, industry, trade, etc.) – Car…
Optocoupler (LED and phototransistor)
Optocoupler: LED and phototransistor The Optocoupler is a device that consists of a LED (light-emitting diode) and a phototransistor. When the LED emits light, it illuminates the phototransistor causing a current to flow through it. These two elements are coupled in the…
LED – Light-emitting diode
LED – Light-emitting diode Light-emitting diode (LED) is a special type of diode, that emits light when it is forward biased. There are LEDs of various colors. LED colors depend on the material…
What is a Capacitor?
Capacitors are devices made of two metal plates separated by an insulator or dielectric. Charge, Voltage and Capacitance Relationship