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AQA
2. Electricity
6.2.1 Current, potential difference and resistance
- 6.2.1.1 Standard circuit diagram symbols
- 6.2.1.2 Electrical charge and current
- 6.2.1.3 Current, resistance and potential difference
- 6.2.1.4 Resistors
6.2.2 Series and parallel circuits
6.2.3 Domestic uses and safety
- 6.2.3.1 Direct and alternating potential difference
- 6.2.3.2 Mains electricity
6.2.4 Energy transfers
- 6.2.4.1 Power
- 6.2.4.2 Energy transfers in everyday appliances
- 6.2.4.3 The National Grid