What is mean by AC voltage and DC voltage

Answer Posted / rajesh kumar

amplitude of an ac voltage continiously with time
it has a frequency
dc voltage does not have frequency
the amplitude does not vary with time

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why using negative supply for bentley nevada vibration system ?

1718


whatis range of marcury filled tempereture gague

1502


why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2211


the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

1544


centrifugal compressor interlock? Tell me the parameter at which compressor will trip

2692






Why even multiple power supplu r used in instrumentation system?

4163


I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1561


With N nodes and B branches what will have a network ???

1536


where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3081


Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

934


CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

1466


How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?

2519


Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

1246


Linear amplifier.

1548


in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

2297