define UPS's working principle ?



define UPS's working principle ?..

Answer / sanjay

An UPS is a device that allows a computer to keep running for at least a short time when primary power is lost. it also provides protection from power surges.
thats converting incoming AC to DC through a rectifier and converts it back with an inverter.

Is This Answer Correct ?    15 Yes 0 No

Post New Answer

More Electronics Communications Interview Questions

What is the purpose of using data modem.

0 Answers  


Explain we take the area of collector wide comparison to base and emitter. Why?

0 Answers  


what is IGBT & how its work & also it s used

2 Answers   Johnson Controls,


why u have changed the university?

0 Answers  


Darlington is used for ??

6 Answers  






hii m persuing b-tech.i just pass 2nd year.pls tell me what are the ways to join BARC.

0 Answers  


why we don't use photodiode in forward-bias?

0 Answers   Intel, TCS,


what do you mean by quasi fermi level?

1 Answers  


How range and azimuth is calculating in RADAR

0 Answers  


what is protocol.what is tcp/ip,http/ftp protocol

3 Answers  


what is used in cd audio player to reproduce sound?

2 Answers  


In a bipolar junction transistor (take it an n-p-n BJT),,in comparison between EMITTER and COLLECTOR ,,who has higher negativity??

3 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)