Current and Resistance

Electric Current (18:44)

Definition of electric current with demonstrations

Drift Speed (18:33)

Explanation of the concept of drift speed of charge carriers

Resistivity (9:23)

Ohm's Law and the definition of resistivity

Resistance (11:28)

Definition of resistance and another form of Ohm's Law

EMF (8:31)

Definition of electromotive force

Power (15:40)

Power provided by EMF and dissipated by a resistive load, with a demonstration