Lesson Playlist: Types of Electric Current Science • Third Year of Preparatory School
-
01:47Describing Alternating Current
-
02:00Describing Direct Current
-
01:41Describing Electric Using a Current-Time Graph
-
01:15Identifying Sources of Direct Current
-
02:12Identifying Sources of Alternating Current
-
03:00Distinguishing between Direct and Alternating Currents on a Graph of Current against Time
