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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 37146hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
2963In 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 29326In 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 11338what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?
BARC,
5 9209Post New Electrical Engineering Questions
Why a tesa lamp is glow between two phase?
What is the purpose of using busbar mounting fuse?
Explain Continuous and Discrete signals?
how to select fuse rating for a 3-phase motor ???
why lightning arrestor are made in two stack of insulator but why not cvt
What happens if the series current double?
What is process of anneling transformer core
Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..
Testing report of Earthing of 3.15 MVa PTR.
I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.
Cb closed condition if there is a tcs fail whether cb will trip or not
What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?
What is a dc motor?
what is the use of Auto re-closer?
what is the role of transistor in Circuit?
