A single loop

- What happens in circuits?(Introduction)
- Electric current – a flow of charge(Exposition)
- What is really flowing and does it flow?(Expansion – tell me more)
- Two jobs for the Battery(Exposition)
- Measuring electric currents(Exposition)
- A simple loop – current the same everywhere(Exposition)
- The direction of the electric current(Exposition)
- The electric current convention(Expansion – tell me more)
- Batteries, cells and energy stores(Expansion – tell me more)
- Charge flow is impeded(Expansion – lead me deeper)
- Energy – battery store to stores of surroundings via Bulb(Expansion – lead me deeper)
- The charged particles are always there… what runs down?(Exposition)
- Resistance and energy(Exposition)
- Pathways may be more natural(Expansion – tell me more)
- Forcing charge carriers around corners(Expansion – lead me deeper)
- Thinking about single loops(Summary)

Adding to loops

- Adding to simple circuits(Introduction)
- Adding batteries to the circuit(Exposition)
- Extra batteries – the electric circuit model(Exposition)
- Why is the bulb brighter?(Expansion – lead me deeper)
- Adding a second lamp in series(Exposition)
- Lamps in series – the electric circuit model(Exposition)
- Why are the bulbs dimmer?(Expansion – lead me deeper)
- Adding bulbs in parallel – what happens?(Exposition)
- Lamps in parallel – the electric circuit model(Exposition)
- Effects when adding to single loops(Summary)

Voltage and power

- Batteries and voltage(Exposition)
- Relationship between current and voltage and resistance(Expansion – lead me deeper)
- The story developed(Expansion – tell me more)
- The volt(Exposition)
- Power(Exposition)
- Electrical power(Exposition)
- Calculating electrical power(Exposition)
- Shifting energy from a Battery(Expansion – tell me more)
- Measuring voltages(Exposition)
- Different terms for the same thing(Expansion – tell me more)
- Voltage in series circuits(Exposition)
- Voltage in parallel circuits(Exposition)
- Components not equal(Expansion – lead me deeper)
- Starting to understand potential difference(Expansion – lead me deeper)
- Final review(Summary)

Pressing numbers on the keyboard whilst the diagram has focus (click on it) will select parts. 0 will show the whole diagram again.

Pressing numbers on the keyboard whilst the diagram has focus (click on it) will select parts. 0 will show the whole diagram again.

Using the popular right lines / wrong track format from Supporting Physics Teaching.