what is difference b/t ac current and dc current

Answer Posted / sureshkumar

ac current has skin effect,corona losses and dc current does not having skin effect,corona in transmission lines 


ac transmission can change voltage levels by using step-up transformers and in dc it is not possible

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to know the Max. current caring capacity of the cable by its size ?

1168


Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?

1420


What is the source of dependent source ?

1423


what is the meaning of WYE and DELTA in Electric meter?

3332


what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

1557






What is acsr cable and where we use it?

706


Please send 110 kv sb station full single line drawing(sld)

2054


what does a k rating in a transformer means?

2041


11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?

1572


what is Anti-pumping?

1493


how does high earth to neutral voltage affects electronic circuit?

1279


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3261


Define ohm’s law for a.c (alternating current)?

624


HOW TO TEST A LIGHTENING ARREST ER ?

1699


What is “pu” in ee?

640