why DC current not used in Transformer action?
Answer Posted / praful nandankar
we know dc will produce steady magnetic field and to induce
emf in transformer we need changing flux which is not
possible with dc current.Hence there will be no transformer
action.
praful nandankar
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what are the advantages and disadvantages of oil filled cables over XLPE cables
What is 11 N1 and 12 N2 in single phase Transformer ?
What is the difference between the relay and the circuit breaker?
How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
how to read idmt curva
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??
I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in
how many stairs have you climbed while you were coming
What is a feedback in control system?
How will polarity test of Dy5 Transformer ?
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job