What is the difference between AC voltage and DC voltage?

Answer Posted / suthan prabhu

In a 50Hz A.C system , Voltage will cross 50 times zero.
But in Dc there is no Zero crossing.

Is This Answer Correct ?    56 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

wish of these transformer uses oil?

1175


operation of protection relay watchdog contact?

1945


33kv substation lay out details & line to line & line to earth measurements

2170


what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1555


I need HT sphere gap calibration table. Can any body help me.

1527






what is the difference between electrical and electronic choke?

1477


why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

1536


how to identify conection leads of an unknown electric motor

1558


Why is a synchronous motor always star connected??

2116


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

1765


What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

1256


Determine the BTU size of an aircon for 20 sq metre room

1452


Can double compression glands be used with regular cables?

1654


How the annunciator works ? How to do its wiring

1818


hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

1638