Where -48 volt DC use & why?????????
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 do i carry out or know the vector group of a Dyn1 and Dyn5 transformer
Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?
please give some hindalco placement papers for written exam
the winding of Generator and Motor is star or in delta ? and why
State magnitude criterion.
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
Describe the control mechanism of missile launcher???
how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company
define superposition theorem thevnin theorem ,norton theorom?
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.
What are two contours of nichols chart?
how to calculation increase power factor for single phase
What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)
explain transformer ct connection?
how to select correct size of power cable for inverter duty motor