What is the differance between negative dc voltage and positive dc voltage because some circuit uses -24,-5,-12,- 15,volt dc supply
eLab, Hero Honda, NTPC, Suzlon, Teradyne,
10 36870hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
2927In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?
Essar, GAIL, Vizag Steel,
19 28916In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?
5 11183what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?
BARC,
5 9020Post New Electrical Engineering Questions
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
Dyn1 transformer vector group testing how to do
What is current divider rule (cdr)?
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"
all interview questions with answers of ntpc (2000-2009
What do you mean by transformation ratio of instrument transformer?
what is the eight bit unit?
I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.
what happen when power factor of 2 parallely operated transformer become equle?
Explain Random and Deterministic signals?
What are n circles?
defination of lines
Details about Flux Compensated magnetic Amplifer starter for motors
what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load