Practicals:

1. EMF and Terminal potential difference: Practical 7'32"

2. Introduction to battery internal resistance (8'43")

3. Measurements (8'32")

4. Calculations (9'43")

Worked example:

1. Part 1: RIV (9'59")

2. Part 2: V_cells (2'33")

3. Part 3: Parallel (8'51")

Practicals:

1. Introduction (10'52")

2. Measurements and calculations (12'06")

Graph question: Worked example (7'10")

2 Switch Question: Worked example (4'28")

Introduction (6'39")

Potential difference across a good conductor (6'49")

Potential differences for broken circuits (13'01")

Predictions (9'02")

Measurements (6'43")

2 Switch Question: Worked example (4'28")