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 handover and what are its types?

0 Answers  


Describe the difference between p-type and n-type semiconductor materials.

0 Answers  


what is RTDs in tranducers

2 Answers  


Which is the fastest logic ?

0 Answers   Lucent,


Slant line with arrow head in NPN & PNP transistor indicate the direction of

22 Answers   HCL, RRB, Wipro,






What is the advantage of 3-Phase supply with respect to 1- Single phase?

6 Answers  


basic call setup

0 Answers   Huawei,


What is flash memory?

3 Answers   Amdocs,


I am working in a private software firm for past two years and now i want to switch to electronics company ... if they ask me ==>what I was doing for the past two years what would the appropriate answer to this ... please reply !

0 Answers   BEL,


what is setup time and hold time ?

1 Answers  


Video signal is composed of Camera signal carrying? Information,Receive or Picture information?

1 Answers  


advantages of gsm over cdma

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)