Where -48 volt DC use & why?????????
- 10 Answers
- 29118 Views
- Ericsson, INDUS, Indus Towers, Telecom, I also Faced
- E-Mail Answers
Answer Posted / jitender kotwal
first understand what -48 volt means,it means that when we
grounded the nagtive termnal of supply making it to zero
potential means nagative supply, in communacations we use
negative voltage to reduce the noise and hum level.
| Is This Answer Correct ? | 4 Yes | 5 No |
Post New Answer View All Answers
How shall i select the value of capacitor or inductor in a system?
Why efficiency of generator is higher than motor at a particular load?
How to calculate the sag of OPGW during stringing???
What are the Full Forms of TVM, MTL, CVT ?
What does Bode plot tell you?
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
How to see the inductance in a transmission lines
why capacitive load is not used in routine life????any reason is there ??????
For overhead protection we use which transformer?
Iwould like to know barc interview questions
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
What is expention fastener (Fan)
What is meant by RVT and NDR ? expansion and details of it
how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take
how to find motors H.P. whout any rating? (only give you a motor and multimeter)
