What is the difference between AC voltage and DC voltage?

Answer Posted / nagarjuna

AC VOLTAGES HAVE +VE AND -VE PEAKS.
AC VOLTAGES WIL HAVE FREQUENCIES.
DC VOLTAGES DNT HAVE AMPLITUDE.
DC VOLTAGES DNT HAVE ANY FREQUENCIES.

Is This Answer Correct ?    17 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6747


why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1485


EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

1556


Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

1707


State kirchoff voltage law?

689






why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

1509


how can you calculate fault level ?

1902


What does the term “voltage regulation” means?

631


when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

1929


Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics

1870


What is the difference between solid grounding and impedance grounding?

1542


please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

1831


how much cable size required for 70 kilowatt load.

1151


what is the difference b/w absolute encoder and incremental encoder?

1533


how ups works ? various parts of ups and working principle

1473