An introduction to Conventional Current and Direct current.  Includes conventional current direction and dimensions. We even talk about the Bohr model of the atom. And, of course, an example problem where we figure out current and the number of electrons that pass through the wire.

Content Times: (click time to access)
0:18 Definition of Current
1:05 The Dimensions for Current
2:00 Conventional Current (Current Direction)
3:25 Alternating and Direct Current
5:11 Reading the Example Problem
6:44 Solving for Current (part a)
7:53 Solving for Number of Charges (part b)
9:13 How many is 81 Quadrillion Elections?