Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What_is_mean_by_negative_dc_voltage? why we use -48v except
+48v in DC power supply systems.

Answer Posted / er. ankush miglani 9718151073

IF WE CONNECT THE +VE POLARITY TO THE EARTH AND -VE TO THE
EQUIPMENT THE VOLTGE IS CALLED -VE DC VOLTAGE.
THE POSITIVE POLARITY ACQUIERS THE CORROSION VERY QUICKLY
AND TO MAINTAIN THE VOTAGE OF THE DEVICE UNDER
SPECIFICATIONS IT IS DONE.

Is This Answer Correct ?    10 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why booster transformer is used in sumpners test conducted on transformer????

3582


What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

2044


How one can check the MAIN of a house wiring ?

1972


bsnl tta exam question

1878


What is the meaning of C1, C61, C91 cable

3469


what is reactive power?, why its measured in VA ? is it transient behavior of system?

2300


The principle of switching circuits for different types of batteries in application of storage systems

1963


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

2090


DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1974


hi can anyone pls tell me the eee interview core questions asked in l&t

2059


What is distance between electrical panel to land ?

1542


any earth foult trip the relay but in welding time not trip by earth foult

3178


Why we are going for converter transformers for DC drives application instead of distribution transformer?

2008


The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

2011


In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1937