Working Principle: A light-emitting diode is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the for...
What is the working principle of the transformer and which type of current is applied? Why is a photodiode more sensitive that a photoresistor? Which of the following is NOT an application of Faraday's law? a.) Electric guitar b.) Transformer c.) Mass spectrometer What are the basic uses...
What is a diode? What is the unit of candela? Does the flame of a gas stove emit light? Explain. What is electrolysis? What is the medium for convection? What is electricity? What is the principle of potentiometer? What does the light bulb do in a circuit?
Principle of Photoluminescence Generally, photoluminescence can be divided into fluorescence and phosphorescence, the delay time of the two is different. Fluorescence refers to the transition from the excited singlet state to the basic radiation transition. The fluorescence lifetime is relatively short, ab...
Diodes Explained - The basics how diodes work working principle pn junction 15 related questions found What is another term for a diode? diode, semiconductor diode,junction rectifier, crystal rectifiernoun. a semiconductor that consists of a p-n junction. Synonyms: crystal rectifier, rectifying tube...
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OLED display works without backlight as it emits light directly, saving a lot of space without installing TFT and liquid crystal. That is the working principle of the OLED technique. Armed with the OLED technique, the display has several advantages over LCD. First off, a better thickness. Giv...
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working principle of Optocoupler An optocoupler consists of a Transmitter as an IR LED and a Receiver as a photosensitive component. when light is emitted by an LED and that light hits the photosensor (Photodiode, Phototransistor, PhotoTriac) then the photosensor starts to flow the current. in...
Other types include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Some optoisolators can also transfer analog signals by changing the light source’s intensity. How Optoisolators Work The basic working principle of an optoisolator is shown in the figure below. The input circuit ...