why in an electrical lab a bulb connected to supply goes off
slowly when the main supply is switched off?
Answer Posted / the_dabi
Generally capacitors are connected across power supply for
power factor improvement and as a Harmonic filter. As we
know that capacitor having power storing property so when
power supply switch off all power stored by capacitors
discharge through connected load. That's why bulb goes off
slowly.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What are the raitings of Mcb,mccb and Acb in detail ??
What current position are you holding in your current company?
why US countries maintains 110v and 60HZ
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????
What do you mean by distribution transformers?
What products have you designed which have entered high volume production?
where the lexical paramater will use in fron end?
What is q factor?
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
What is sensitivity of a measurement?
why power factor is important?
Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?
how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?