Question 12 Marks
What is light-emitting diode (LED)? Write down its one application.
Answer
View full question & answer→Light Emitting Diode (LED) : It is a forward-biased p-n junction which spontaneously converts the biasing electrical energy into optical energy, like infrared and visible light. It is abbreviatated as LED.
Use of LED :
LEDs are used as indicator lamps, pilot lamps etc.
Use of LED :
LEDs are used as indicator lamps, pilot lamps etc.
