Alternating current(AC) vs Direct current(DC)
AC
|
DC
|
AC switches direction periodically
forward-backward
|
DC
flow in single direction
|
AC has generally freq.50Hz or 60Hz
|
DC
has zero freq.
|
AC cannot be stored
|
DC
can be stored in battery
|
In AC longer transmission is possible
without energy loss
|
In
DC longer transmission is not possible due to energy loss
|
Obtained from ac generator or mains
|
Obtained
from battery, rectifier, DC generator
|
Types of AC:-
Sinusoidal, Trapezoidal, Triangular, Square.
  |
Types
of DC:- Pure and pulsating
 |
