Can you please share working of LED ?
Answers were Sorted based on User's Feedback
Answer / pooja
LED is a semiconductor device.LED's are used as indicating lamps in many devices.When LED is forward biased electrons are able to recombine with electron holes with in the device releasing energy in the form of Photons & this is known as Electroluminescene & colour of LED is determined by Energy gap of the Semiconductor.
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / pinkal_ec
LED's are special diodes that emit light when connected in a circuit. They are frequently used as "pilot"
lights in electronic appliances to indicate whether the circuit is closed or not. A a clear (or often colored)
epoxy case enclosed the heart of an LED, the semi-conductor chip.
| Is This Answer Correct ? | 9 Yes | 1 No |
Answer / learn basic electronics
Led mean Light Emitting Diode .
Led lighting when connected with measured voltage.
It's using on indicators electronics torch light.
it is using for signal on television and many other devices.
You can learn many thing about electronics on our site visit
http://learnelectronicshelp.blogspot.com/
| Is This Answer Correct ? | 0 Yes | 0 No |
i have taken gre exam twice... first time i got 287( quant:154 & verbal: 133) second time i got 288(quant:149 & verbal:139) is there possibility to take universities -----quant:154& verbal:139....TOTAL=293 can u plz give me information regarding this............. if it is possible for some universities plz give me 5 best universities plz.........
HOW DESIGN SSTL2 FOR I/O CELLS?
0 Answers ABC, Infosys, MSEB, SabaFon,
how we will write a query for highest salary
How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?
Explain what is an inverting amplifier?
How many GDA exists for a group ?
which are the companies taking asl1 freshers
Define negative frequency?
iam working as field engineer since 3 years so what is the appropriate answer for changing company i'e., why do u want to change ur present company
Plz send previous gate ece question papers with answers of 10 years to my email id .My id is seenu469@gmail.com .Thank u sir
what is the other name of ujt?
no of timers of 8051
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)