1. FUNDAMENTAL PRINCIPLES

1.1 The electrical circuit
1.2 Double-throw switch
1.3 Voltage
1.4 Serial connection of voltage sources
1.5 Parallel connection of voltage sources
1.6 Current intensity
1.7 Conductors and nonconductors
1.8 Do liquids conduct electrical current?

2. ELECTRICAL RESISTANCE
2.1 Ohm’s Law
2.1.1 Series of measurements for Ohm’s Law
2.2 Application of Ohm’s Law
2.3 Wires and their amount of resistance
2.3.1 Specific resistance of wires
2.4 Ohmic resistor
2.5 An incandescent lamp is not an ohmic resistor
2.6 Serial connection of incandescent lamps

2.7 Serial connection of ohmic resistors

2.8 Voltage division

2.8.1 Sliding resistor*

2.9 Parallel connection of incandescent lamps

2.10 Parallel connection of ohmic resistors

2.11 Resistors in parallel/series circuits

2.12 Why are voltage sources connected in parallel?

2.13 Model of a potentiometer

2.13.1 Dimming by means of a potentiometer*

2.13.2 Unloaded potentiometer*

2.13.3 Loaded potentiometer*