what is the frequency of direct current(dc)?

Answer Posted / amina

Frequency,as regards voltage, is the term applied to changes in voltage per unit time.As the voltage in DC does not changes,as it changes in AC periodically. Hence, DC has zero Hurtz frequency....

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1559


WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

1819


How to design the NGR Resistance

1607


What is the difference between security constraint unit commitment and security constraint optimal power flow?

1214


When are the directional relays used?

607






What does the term supermesh means?

665


Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1462


There is any especial requirement for motor to drive through with VFD?

2176


List out the different frequency domain specifications?

753


how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

4827


Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1313


Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

1528


to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

1493


How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

2763


What is the range of the stator resistance of 3 phase induction motor?

1451